For standard guitars, set of 6. The 103 Series offers the same specs and styling as the Original “Milk bottle” style Rotomatics® 102V Series, but with Pearloid Buttons and button retainer. With a 18:1 gear ratio, this unique style will make any vintage guitar appear truly original. Worm and gear are precision-cut for perfect meshing to eliminate backlash and slippage. Countersunk tension screw permits player to regulate turning tension to any degree. Enclosed gear box with special lubricant for a lifetime of trouble-free service. • Sealed-in, lubricated gears• 18:1 gear ratio• 25/64” post hole• Post length to hole: 23mm•Overall post length: 28.2mm•Weight per pc/per set: 1.5oz/9oz• Max. string gauge: .074”• Hardware included (bushings, washers, screws)Drop-in replacement for:• 102-18 Series• 102V Series• 103 Series• 106 Series• 109 Series• 109-18 Series• 135 Series (Top mounting hole will be visible)• 136 Series (Top mounting hole will be visible)• 502 Series• 509 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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For standard guitars, set of 6. The 103 Series offers the same specs and styling as the Original “Milk bottle” style Rotomatics® 102V Series, but with Pearloid Buttons and button retainer. With a 18:1 gear ratio, this unique style will make any vintage guitar appear truly original. Worm and gear are precision-cut for perfect meshing to eliminate backlash and slippage. Countersunk tension screw permits player to regulate turning tension to any degree. Enclosed gear box with special lubricant for a lifetime of trouble-free service. • Sealed-in, lubricated gears• 18:1 gear ratio• 25/64” post hole• Post length to hole: 23mm• Overall post length: 28.2mm• Weight per pc/per set: 1.5oz/9oz• Max. string gauge: .074”• Hardware included (bushings, washers, screws)Drop-in replacement for:• 102-18 Series• 102V Series• 103 Series• 106 Series• 109 Series• 109-18 Series• 135 Series (Top mounting hole will be visible)• 136 Series (Top mounting hole will be visible)• 502 Series• 509 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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For standard guitars, set of 6. This model offers the same specs and styling as the Original “Milk Bottle” style Rotomatics® 102V Series, but with Pearloid Buttons and button retainer. The gear ratio is 18:1 For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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For standard guitars, set of 6. The introduction of the new Grover Locking Rotomatics® gives you the ease of use provided by a standard tuner and the positive locking of our internal cam post. Simply insert the string through the string hole, pull to tension by hand and begin tuning. As you start to tune, only the locking cam in the string post turns. Once the string is locked, the string post begins to turn allowing you to bring the string to pitch. In less than one revolution of the string post, you will be in tune, to stay in tune. Gear ratio is 18 to 1. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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For standard guitars, set of 6. The 102-18 Series machine heads are a triumph in engineering and styling. The housing provides a maximum bearing for worm, gear, and string post. The 18:1 ratio provides for finer tuning and greater stability. The finer gears provide smoother tuning and a higher degree of backlash elimination. Countersunk tension screw permits player to regulate turning tension to any degree. Enclosed gear box with special lubricant for a lifetime of trouble-free service.• Sealed-in, lubricated gears• 18:1 gear ratio• 25/64” post hole• Post length to hole: 23mm• Overall post length: 28.2mm• Weight per pc/per set: 1.6oz/9.6oz• Max. string gauge: .074”• Hardware included (bushings, washers, screws) For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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For standard guitars, set of 6. The 102-18 Series machine heads are a triumph in engineering and styling. The housing provides a maximum bearing for worm, gear, and string post. The 18:1 ratio provides for finer tuning and greater stability. The finer gears provide smoother tuning and a higher degree of backlash elimination. Countersunk tension screw permits player to regulate turning tension to any degree. Enclosed gear box with special lubricant for a lifetime of trouble-free service.• Sealed-in, lubricated gears• 18:1 gear ratio• 25/64” post hole• Post length to hole: 23mm• Overall post length: 28.2mm• Weight per pc/per set: 1.6oz/9.6oz• Max. string gauge: .074”• Hardware included (bushings, washers, screws) For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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For standard guitars, set of 6. A triumph in engineering and styling. Available in Nickel, Chrome or Gol keystone buttonsd, their housing provides a maximum bearing for worm, gear and string post, with a gear ratio of 14:1 for superbly accurate tuning, and no string slippage. The gear box also has a special lubricant for a lifetime of trouble-free service! They also include 5/8” washers, bushings and wood screws. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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For standard guitars, set of 6. The original Rotomatic® with an improved higher ratio gearing. The 18:1 ratio provides for finer tuning and greater stability. The finer gears provide smoother tuning and a higher degree of backlash elimination. This new version of the Rotomatic® uses the exact housing as the original. Only the gearing has changed. Includes washers, bushings, and wood screws. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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For standard guitars, set of 6. The original Rotomatic® with an improved higher ratio gearing. The 18:1 ratio provides for finer tuning and greater stability. The finer gears provide smoother tuning and a higher degree of backlash elimination. This new version of the Rotomatic® uses the exact housing as the original. Only the gearing has changed. Includes washers, bushings, and wood screws. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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Set of 10. The 210 Series is designed specifically for use with pedal steel guitars. The shortened string post and bushing are designed for the slotted head of a pedal steel. It will accommodate a headstock thickness varying from .256” (7.1mm) to .400” (10.16mm). The string post extends .900” (22.87mm) from the base of the housing. The housing has a mounting pin at the back, eliminating the need for a mounting screw. This also facilitates mounting on the cast headstocks used on pedal steel guitars. • Accommodates a headstock thickness varying from .256” (7.1mm) to .400” (10.16mm)• Sealed-in, lubricated gears• 14:1 gear ratio• 25/64” post hole• Post length to hole: 18mm• Overall post length: 22.87mm• Weight per pc/per set: 1.1oz / 11.0oz• Max. string gauge: .74”• Hardware included (bushings, washers) For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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Set of 10. The 210 Series is designed specifically for use with pedal steel guitars. The shortened string post and bushing are designed for the slotted head of a pedal steel. It will accommodate a headstock thickness varying from .256” (7.1mm) to .400” (10.16mm). The string post extends .900” (22.87mm) from the base of the housing. The housing has a mounting pin at the back, eliminating the need for a mounting screw. This also facilitates mounting on the cast headstocks used on pedal steel guitars. • Accommodates a headstock thickness varying from .256” (7.1mm) to .400” (10.16mm)• Sealed-in, lubricated gears• 14:1 gear ratio• 25/64” post hole• Post length to hole: 18mm• Overall post length: 22.87mm• Weight per pc/per set: 1.1oz / 11.0oz• Max. string gauge: .74”• Hardware included (bushings, washers) For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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Set of 10. The 210 Series is designed specifically for use with pedal steel guitars. The shortened string post and bushing are designed for the slotted head of a pedal steel. It will accommodate a headstock thickness varying from .256” (7.1mm) to .400” (10.16mm). The string post extends .900” (22.87mm) from the base of the housing. The housing has a mounting pin at the back, eliminating the need for a mounting screw. This also facilitates mounting on the cast headstocks used on pedal steel guitars. • Accommodates a headstock thickness varying from .256” (7.1mm) to .400” (10.16mm)• Sealed-in, lubricated gears• 14:1 gear ratio• 25/64” post hole• Post length to hole: 18mm• Overall post length: 22.87mm• Weight per pc/per set: 1.1oz / 11.0oz• Max. string gauge: .74”• Hardware included (bushings, washers) For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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Set of 10. The 210 Series is designed specifically for use with pedal steel guitars. The shortened string post and bushing are designed for the slotted head of a pedal steel. It will accommodate a headstock thickness varying from .256” (7.1mm) to .400” (10.16mm). The string post extends .900” (22.87mm) from the base of the housing. The housing has a mounting pin at the back, eliminating the need for a mounting screw. This also facilitates mounting on the cast headstocks used on pedal steel guitars. • Accommodates a headstock thickness varying from .256” (7.1mm) to .400” (10.16mm)• Sealed-in, lubricated gears• 14:1 gear ratio• 25/64” post hole• Post length to hole: 18mm• Overall post length: 22.87mm• Weight per pc/per set: 1.1oz / 11.0oz• Max. string gauge: .74”• Hardware included (bushings, washers)• Drop-in replacement for: None at this time For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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Perma Tension™ Banjo 5th Sting Peg with metal button. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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Perma Tension™ Banjo 5th Sting Peg with metal button. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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Perma Tension™ banjo pegs (Set of 5) with metal buttons. No slippage, no backlash, no looseness, Heavy knurled bushings with threaded extension, locks permanently into wood. Countersunk button screw regulates tension. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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Perma Tension™ banjo pegs (Set of 4) with metal buttons. No slippage, no backlash, no looseness, Heavy knurled bushings with threaded extension, locks permanently into wood. Countersunk button screw regulates tension. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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3 treble and 3 bass, set of 6. The Grover 509 Series Roto-Grip Locking Rotomatics, are the perfect choice for rapid and convenient string changing, whilst also a blessing for virtuoso vibrato guitar players. The rear thumbscrew mechanism locks and secures the string, eliminating multiple windings around the string post, for stable tuning, whilst ensuring accurate return to zero pitch even after the deepest vibrato bends. Constructed from stamped metal and with their distinctive 3-step button design, the Grover Roto-Grip Locking Rotomatic machine heads, feature precision engineered worm and gear components to eliminate string slippage. Roto-Grip Locking Rotomatics® utilise the famous 18:1 Rotomatic® design with a “thumb screw” mechanism that locks the string into place. Insert the string through the post hole, wrap around once, then lock by tightening with the thumbscrew. The housing itself is self-lubricating, for a lifetime of trouble-free service.Perfect replacement for the most standard machine heads. Includes all mounting hardware. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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3 treble and 3 bass, set of 6. The Grover 509 Series Roto-Grip Locking Rotomatics, are the perfect choice for rapid and convenient string changing, whilst also a blessing for virtuoso vibrato guitar players. The rear thumbscrew mechanism locks and secures the string, eliminating multiple windings around the string post, for stable tuning, whilst ensuring accurate return to zero pitch even after the deepest vibrato bends. Constructed from stamped metal and with their distinctive 3-step button design, the Grover Roto-Grip Locking Rotomatic machine heads, feature precision engineered worm and gear components to eliminate string slippage. Roto-Grip Locking Rotomatics® utilise the famous 18:1 Rotomatic® design with a “thumb screw” mechanism that locks the string into place. Insert the string through the post hole, wrap around once, then lock by tightening with the thumbscrew. The housing itself is self-lubricating, for a lifetime of trouble-free service.Perfect replacement for the most standard machine heads. Includes all mounting hardware. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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3 treble and 3 bass, set of 6. The Grover 509 Series Roto-Grip Locking Rotomatics, are the perfect choice for rapid and convenient string changing, whilst also a blessing for virtuoso vibrato guitar players.   The rear thumbscrew mechanism locks and secures the string, eliminating multiple windings around the string post, for stable tuning, whilst ensuring accurate return to zero pitch even after the deepest vibrato bends.   Constructed from stamped metal and with their distinctive 3-step button design, the Grover Roto-Grip Locking Rotomatic machine heads, feature precision engineered worm and gear components to eliminate string slippage.   Roto-Grip Locking Rotomatics® utilise the famous 18:1 Rotomatic® design with a “thumb screw” mechanism that locks the string into place. Insert the string through the post hole, wrap around once, then lock by tightening with the thumbscrew. The housing itself is self-lubricating, for a lifetime of trouble-free service.Perfect replacement for the most standard machine heads. Includes all mounting hardware. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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3 treble and 3 bass, set of 6. The Grover 509 Series Roto-Grip Locking Rotomatics, are the perfect choice for rapid and convenient string changing, whilst also a blessing for virtuoso vibrato guitar players. The rear thumbscrew mechanism locks and secures the string, eliminating multiple windings around the string post, for stable tuning, whilst ensuring accurate return to zero pitch even after the deepest vibrato bends. Constructed from stamped metal and with their distinctive 3-step button design, the Grover Roto-Grip Locking Rotomatic machine heads, feature precision engineered worm and gear components to eliminate string slippage. Roto-Grip Locking Rotomatics® utilise the famous 18:1 Rotomatic® design with a “thumb screw” mechanism that locks the string into place. Insert the string through the post hole, wrap around once, then lock by tightening with the thumbscrew. The housing itself is self-lubricating, for a lifetime of trouble-free service.Perfect replacement for the most standard machine heads. Includes all mounting hardware. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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For standard guitars, set of 6. From the makers of the world’s finest machine heads, come the superb Grover -Roto-Grip’ tuners, which now both lock and fine tune! With this new system, changing strings has never been easier - just thread the string through the tuner post hole, pull it tight, and turn the thumbwheel clockwise. An internal pin locks the string, and you’re ready to tune. Additionally, when replacing strings, Grover’s unique design prevents the thumb wheel from falling out, so you won’t lose it! With an 18:1 gear ratio, precise tuning occurs in seconds - just a few turns of the tuner button and you are -locked’ in tune. Grover ROTO-GRIPS are available in standard and mini formats, and in the usual layout configurations. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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For standard guitars, set of 6. From the makers of the world’s finest machine heads, come the superb Grover -Roto-Grip’ tuners, which now both lock and fine tune! With this new system, changing strings has never been easier - just thread the string through the tuner post hole, pull it tight, and turn the thumbwheel clockwise. An internal pin locks the string, and you’re ready to tune. Additionally, when replacing strings, Grover’s unique design prevents the thumb wheel from falling out, so you won’t lose it! With an 18:1 gear ratio, precise tuning occurs in seconds - just a few turns of the tuner button and you are -locked’ in tune. Grover ROTO-GRIPS are available in standard and mini formats, and in the usual layout configurations. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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For standard guitars, set of 6. From the makers of the world’s finest machine heads, come the superb Grover 'Roto-Grip’ tuners, which now both lock and fine tune! With this new system, changing strings has never been easier - just thread the string through the tuner post hole, pull it tight, and turn the thumbwheel clockwise. An internal pin locks the string, and you’re ready to tune. Additionally, when replacing strings, Grover’s unique design prevents the thumb wheel from falling out, so you won’t lose it! With an 18:1 gear ratio, precise tuning occurs in seconds - just a few turns of the tuner button and you are -locked’ in tune. Grover ROTO-GRIPS are available in standard and mini formats, and in the usual layout configurations. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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For standard guitars, set of 6. From the makers of the world’s finest machine heads, come the superb Grover -Roto-Grip’ tuners, which now both lock and fine tune! With this new system, changing strings has never been easier - just thread the string through the tuner post hole, pull it tight, and turn the thumbwheel clockwise. An internal pin locks the string, and you’re ready to tune. Additionally, when replacing strings, Grover’s unique design prevents the thumb wheel from falling out, so you won’t lose it! With an 18:1 gear ratio, precise tuning occurs in seconds - just a few turns of the tuner button and you are -locked’ in tune. Grover ROTO-GRIPS are available in standard and mini formats, and in the usual layout configurations. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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For standard guitars, set of 6. Keystone Buttons. From the makers of the world’s finest machine heads, come the superb Grover -Roto-Grip’ tuners, which now both lock and fine tune! With this new system, changing strings has never been easier - just thread the string through the tuner post hole, pull it tight, and turn the thumbwheel clockwise. An internal pin locks the string, and you’re ready to tune. Additionally, when replacing strings, Grover’s unique design prevents the thumb wheel from falling out, so you won’t lose it! With an 18:1 gear ratio, precise tuning occurs in seconds - just a few turns of the tuner button and you are - locked’ in tune. Grover ROTO-GRIPS are available in standard and mini formats, and in the usual layout configurations. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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For standard guitars, set of 6. Keystone Buttons. From the makers of the world’s finest machine heads, come the superb Grover -Roto-Grip’ tuners, which now both lock and fine tune! With this new system, changing strings has never been easier - just thread the string through the tuner post hole, pull it tight, and turn the thumbwheel clockwise. An internal pin locks the string, and you’re ready to tune. Additionally, when replacing strings, Grover’s unique design prevents the thumb wheel from falling out, so you won’t lose it! With an 18:1 gear ratio, precise tuning occurs in seconds - just a few turns of the tuner button and you are - locked’ in tune. Grover ROTO-GRIPS are available in standard and mini formats, and in the usual layout configurations. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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For standard guitars, set of 6. Keystone Buttons. From the makers of the world’s finest machine heads, come the superb Grover -Roto-Grip’ tuners, which now both lock and fine tune! With this new system, changing strings has never been easier - just thread the string through the tuner post hole, pull it tight, and turn the thumbwheel clockwise. An internal pin locks the string, and you’re ready to tune. Additionally, when replacing strings, Grover’s unique design prevents the thumb wheel from falling out, so you won’t lose it! With an 18:1 gear ratio, precise tuning occurs in seconds - just a few turns of the tuner button and you are - locked’ in tune. Grover ROTO-GRIPS are available in standard and mini formats, and in the usual layout configurations. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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Mini 3+3, set of 6. From the makers of the world’s finest machine heads, come the superb Grover 'Roto-Grip’ tuners, which now both lock and fine tune! With this new system, changing strings has never been easier - just thread the string through the tuner post hole, pull it tight, and turn the thumbwheel clockwise. An internal pin locks the string, and you’re ready to tune. Additionally, when replacing strings, Grover’s unique design prevents the thumb wheel from falling out, so you won’t lose it! With an 18:1 gear ratio, precise tuning occurs in seconds - just a few turns of the tuner button and you are -locked’ in tune. Grover ROTO-GRIPS are available in standard and mini formats, and in the usual layout configurations.For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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Mini set of 6. From the makers of the world’s finest machine heads, come the superb Grover 'Roto-Grip’ tuners, which now both lock and fine tune! With this new system, changing strings has never been easier - just thread the string through the tuner post hole, pull it tight, and turn the thumbwheel clockwise. An internal pin locks the string, and you’re ready to tune. Additionally, when replacing strings, Grover’s unique design prevents the thumb wheel from falling out, so you won’t lose it! With an 18:1 gear ratio, precise tuning occurs in seconds - just a few turns of the tuner button and you are -locked’ in tune. Grover ROTO-GRIPS are available in standard and mini formats, and in the usual layout configurations. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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Mini 6-In-Line, set of 6 From the makers of the world’s finest machine heads, come the superb Grover 'Roto-Grip’ tuners, which now both lock and fine tune! With this new system, changing strings has never been easier - just thread the string through the tuner post hole, pull it tight, and turn the thumbwheel clockwise. An internal pin locks the string, and you’re ready to tune. Additionally, when replacing strings, Grover’s unique design prevents the thumb wheel from falling out, so you won’t lose it! With an 18:1 gear ratio, precise tuning occurs in seconds - just a few turns of the tuner button and you are -locked’ in tune. Grover ROTO-GRIPS are available in standard and mini formats, and in the usual layout configurations. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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Mini 6-in-line, set of 6. From the makers of the world’s finest machine heads, come the superb Grover 'Roto-Grip’ tuners, which now both lock and fine tune! With this new system, changing strings has never been easier - just thread the string through the tuner post hole, pull it tight, and turn the thumbwheel clockwise. An internal pin locks the string, and you’re ready to tune. Additionally, when replacing strings, Grover’s unique design prevents the thumb wheel from falling out, so you won’t lose it! With an 18:1 gear ratio, precise tuning occurs in seconds - just a few turns of the tuner button and you are -locked’ in tune. Grover ROTO-GRIPS are available in standard and mini formats, and in the usual layout configurations. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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Mini 6-in-line, set of 6. From the makers of the world’s finest machine heads, come the superb Grover 'Roto-Grip’ tuners, which now both lock and fine tune! With this new system, changing strings has never been easier - just thread the string through the tuner post hole, pull it tight, and turn the thumbwheel clockwise. An internal pin locks the string, and you’re ready to tune. Additionally, when replacing strings, Grover’s unique design prevents the thumb wheel from falling out, so you won’t lose it! With an 18:1 gear ratio, precise tuning occurs in seconds - just a few turns of the tuner button and you are -locked’ in tune. Grover ROTO-GRIPS are available in standard and mini formats, and in the usual layout configurations.For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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Mini 6-in-line, set of 6. From the makers of the world’s finest machine heads, come the superb Grover 'Roto-Grip’ tuners, which now both lock and fine tune! With this new system, changing strings has never been easier - just thread the string through the tuner post hole, pull it tight, and turn the thumbwheel clockwise. An internal pin locks the string, and you’re ready to tune. Additionally, when replacing strings, Grover’s unique design prevents the thumb wheel from falling out, so you won’t lose it! With an 18:1 gear ratio, precise tuning occurs in seconds - just a few turns of the tuner button and you are -locked’ in tune. Grover ROTO-GRIPS are available in standard and mini formats, and in the usual layout configurations.For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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The #8 Series is engineered with the same one-piece stamped base plate, brass gear, die-cast button and knurled bushings used on the Sta-Tite™ guitar machine head. The string post length has been shortened to 1″ with the string hole .775” from the back of the base. • Open gears• 14:1 gear ratio• 23/64” post hole• Post length to hole: 20mm• Overall post length: 25.3mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .064”• Hardware included (bushings, screws) For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The one-piece back plate, brass gear, die cast button and knurled bushings are the same as those used on the Sta-Tite™ guitar machine head. The string post has been shortened to 1 inch with the string hole .775″ from the back of the base. 14:1 gear ratio provides for accurate tuning. Includes bushings and wood screws. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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