2" dye-sub poplin fabric straps. Adjustable length 39" to 58".  

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2" dye-sub poplin fabric straps. Adjustable length 39" to 58".  

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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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3 treble and 3 bass, set of 6. The 109 Series 3-step button gives these machine heads a distinctive look and sets them apart from other Rotomatics®. The housing provides a maximum bearing for worm, gear and string post. Gear ratio is 14:1. Worm and gear are precision-cut for perfect meshing. eliminating 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 gears14:1 gear ratio25/64” post holePost length to hole: 23mmOverall post length: 28.2mmWeight per pc/per set: 1.6oz/9.6ozMax. string gauge: .074”Hardware included (bushings, washers, screws)Drop-in replacement for:• 102-18 Series• 102V Series• 103 Series• 106 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 information.

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3 treble and 3 bass, set of 6. The 205 Series is the ultimate in sleek design and performance. Small and lightweight, these precision-made machine heads fit guitar headstocks that will not take full size machines. The mini buttons provide more space for player’s fingers (even large fingers) to tune strings. Gear ratio is 14:1. Sealed in lubrication keeps the mini perfect for a lifetime! Sealed-in, lubricated gears14:1 gear ratio25/64” post holePost length to hole: 20.55mmOverall post length: 26.9mmWeight per pc/per set: 1.2oz/7.2ozMax. 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 detailed information.

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6-in-line, set of 12.The 305 Series is made with the same quality as all Rotomatic® models. Slightly larger than the Mini Rotomatics®, the mid-size series features an 18:1 gear ratio for smoother, more precise tuning. This compact machine head is perfect for use on smaller and in-line headstocks. Sealed-in, lubricated gears18:1 gear ratio25/64” post holePost length to hole: 22.4mmOverall post length: 27.5mmWeight per pc/per set: 1.2oz/7.2ozMax. string gauge: .064”Hardware included (bushings, washers, screws)Drop-in replacement for: 406 Series Includes all necessary mounting hardware and the famous Grover lifetime guarantee.

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6-in-line, set of 12.The 305 Series is made with the same quality as all Rotomatic® models. Slightly larger than the Mini Rotomatics®, the mid-size series features an 18:1 gear ratio for smoother, more precise tuning. This compact machine head is perfect for use on smaller and in-line headstocks. Sealed-in, lubricated gears18:1 gear ratio25/64” post holePost length to hole: 22.4mmOverall post length: 27.5mmWeight per pc/per set: 1.2oz/7.2ozMax. string gauge: .064”Hardware included (bushings, washers, screws)Drop-in replacement for: 406 Series Includes all necessary mounting hardware and the famous Grover lifetime guarantee.

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6-in-line, set of 12.The 305 Series is made with the same quality as all Rotomatic® models. Slightly larger than the Mini Rotomatics®, the mid-size series features an 18:1 gear ratio for smoother, more precise tuning. This compact machine head is perfect for use on smaller and in-line headstocks. Sealed-in, lubricated gears18:1 gear ratio25/64” post holePost length to hole: 22.4mmOverall post length: 27.5mmWeight per pc/per set: 1.2oz/7.2ozMax. string gauge: .064”Hardware included (bushings, washers, screws)Drop-in replacement for: 406 Series Includes all necessary mounting hardware and the famous Grover lifetime guarantee.

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6-in-line, set of 6. The 305 Series is made with the same quality as all Rotomatic® models. Slightly larger than the Mini Rotomatics®, the mid-size series features an 18:1 gear ratio for smoother, more precise tuning. This compact machine head is perfect for use on smaller and in-line headstocks. Sealed-in, lubricated gears18:1 gear ratio25/64” post holePost length to hole: 22.4mmOverall post length: 27.5mmWeight per pc/per set: 1.2oz/7.2ozMax. string gauge: .064”Hardware included (bushings, washers, screws)Drop-in replacement for: 406 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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6-in-line, set of 6. The 305 Series is made with the same quality as all Rotomatic® models. Slightly larger than the Mini Rotomatics®, the mid-size series features an 18:1 gear ratio for smoother, more precise tuning. This compact machine head is perfect for use on smaller and in-line headstocks. Sealed-in, lubricated gears18:1 gear ratio25/64” post holePost length to hole: 22.4mmOverall post length: 27.5mmWeight per pc/per set: 1.2oz/7.2ozMax. string gauge: .064”Hardware included (bushings, washers, screws)Drop-in replacement for: 406 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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6-in-line, set of 6. A mid size Mini Rotomatic, with all the advantages of the original Mini Rotomatic, but with an 18:1 gear ratio for finer, more precise tuning. Includes all necessary mounting hardware and the famous Grover lifetime guarantee.

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6-in-line, set of 6. A mid size Mini Rotomatic, with all the advantages of the original Mini Rotomatic, but with an 18:1 gear ratio for finer, more precise tuning. Includes all necessary mounting hardware and the famous Grover lifetime guarantee.

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6-in-line, set of 6. A mid size Mini Rotomatic, with all the advantages of the original Mini Rotomatic, but with an 18:1 gear ratio for finer, more precise tuning. Includes all necessary mounting hardware and the famous Grover lifetime guarantee.

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3 treble and 3 bass, set of 6. A mid size Mini Rotomatic, with all the advantages of the original Mini Rotomatic, but with an 18:1 gear ratio for finer, more precise tuning. Includes all necessary mounting hardware and the famous Grover lifetime guarantee.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 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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3 Treble and 3 Bass, set of 6. The same innovative engineering and classic design as the Original Locking Rotomatics®, but with smaller buttons for 6-in-line guitars, or for those who prefer a little more space for their fingers. 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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3 Treble and 3 Bass, set of 6. The same innovative engineering and classic design as the Original Locking Rotomatics®, but with smaller buttons for 6-in-line guitars, or for those who prefer a little more space for their fingers. 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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6-in-line, set of 6. The same innovative engineering and classic design as the Original Locking Rotomatics®, but with smaller buttons for 6-in-line guitars, or for those who prefer a little more space for their fingers. 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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6-in-line, set of 6. The same innovative engineering and classic design as the Original Locking Rotomatics®, but with smaller buttons for 6-in-line guitars, or for those who prefer a little more space for their fingers. 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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6-in-line, set of 6. The same innovative engineering and classic design as the Original Locking Rotomatics®, but with smaller buttons for 6-in-line guitars, or for those who prefer a little more space for their fingers. 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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6-in-line, set of 6. The same innovative engineering and classic design as the Original Locking Rotomatics®, but with smaller buttons for 6-in-line guitars, or for those who prefer a little more space for their fingers. 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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6-in-line, set of 6. The same innovative engineering and classic design as the Original Locking Rotomatics®, but with smaller buttons for 6-in-line guitars, or for those who prefer a little more space for their fingers. 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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6-in-line, set of 6. The same innovative engineering and classic design as the Original Locking Rotomatics®, but with smaller buttons for 6-in-line guitars, or for those who prefer a little more space for their fingers. 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. 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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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 133 Series is engineered to the most precise standards of excellence with the classic look of vintage styling. Worm and gear are cut to mesh perfectly, thereby eliminating backlash and slippage. The housings are self-lubricating for a lifetime of trouble-free service. Sealed-in, lubricated gearsStamped housing15:1 gear ratio11/32” post holePost length to hole: 22mmOverall post length: 25mmWeight per pc/per set: 1.0oz/6.0ozMax. string gauge: .074”Hardware included (bushings, screws)Drop-in replacement for:505FV Series533 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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Mechanically engineered to the most precise standards of excellence, with the classic look of vintage styling, Grover Deluxe machine heads are a timeless achievement for guitar tuning. Worm and gear are cut to mesh perfectly, thereby eliminating backlash and slippage. The housings are self-lubricating for a lifetime of trouble-free service. 15:1 gear ratio.133C6: Chrome for 6-in-line guitars, Set of 6.

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Mechanically engineered to the most precise standards of excellence, with the classic look of vintage styling, Grover Deluxe machine heads are a timeless achievement for guitar tuning. Worm and gear are cut to mesh perfectly, thereby eliminating backlash and slippage. The housings are self-lubricating for a lifetime of trouble-free service. 15:1 gear ratio.133CK: Chrome for 3+3 guitars, Set of 6.

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12-string, set of 12. Totally professional in design and performance. Small, lightweight, this precision made machine fits guitar headpieces that will not take full size machines. The mini buttons provide more space for player’s fingers (even large fingers) to tune strings. Gear ratio is 14 to 1. Sealed in lubrication keeps the mini perfect for a lifetime! Includes 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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Left-hand 6-in-line, set of 6. Totally professional in design and performance. Small, lightweight, this precision made machine fits guitar headpieces that will not take full size machines. The mini buttons provide more space for player’s fingers (even large fingers) to tune strings. Gear ratio is 14 to 1. Sealed in lubrication keeps the mini perfect for a lifetime! Includes 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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The 151 Series is distinctive in styling and quality, the Imperial™ made its first appearance in the 1970’s. The most notable feature of this unique machine head is the futuristic Three-Step button, a fresh and funky design trademarked by Grover®.• Sealed-in, lubricated gears• 16:1 gear ratio• 25/64” post hole• Post length to hole: 22.2mm• Overall post length: 27.4mm• Weight per pc/per set: 1.8oz/10.8oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: 152 Series

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The 151 Series is distinctive in styling and quality, the Imperial™ made its first appearance in the 1970’s. The most notable feature of this unique machine head is the futuristic Three-Step button, a fresh and funky design trademarked by Grover®.• Sealed-in, lubricated gears• 16:1 gear ratio• 25/64” post hole• Post length to hole: 22.2mm• Overall post length: 27.4mm• Weight per pc/per set: 1.8oz/10.8oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: 152 Series

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The 151 Series is distinctive in styling and quality, the Imperial™ made its first appearance in the 1970’s. The most notable feature of this unique machine head is the futuristic Three-Step button, a fresh and funky design trademarked by Grover®.• Sealed-in, lubricated gears• 16:1 gear ratio• 25/64” post hole• Post length to hole: 22.2mm• Overall post length: 27.4mm• Weight per pc/per set: 1.8oz/10.8oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: 152 Series

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The 152 Series is distinctive in styling and quality, the Imperial™ made its first appearance in the 1970’s. The most notable feature of this unique machine head is the large butterbean button, a fresh and funky design. • Sealed-in, lubricated gears• 16:1 gear ratio• 25/64” post hole• Post length to hole: 22.2mm• Overall post length: 27.4mm• Weight per pc/per set: 1.8oz/10.8oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: 151 Series

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The 152 Series is distinctive in styling and quality, the Imperial™ made its first appearance in the 1970’s. The most notable feature of this unique machine head is the large butterbean button, a fresh and funky design. • Sealed-in, lubricated gears• 16:1 gear ratio• 25/64” post hole• Post length to hole: 22.2mm• Overall post length: 27.4mm• Weight per pc/per set: 1.8oz/10.8oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: 151 Series

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The 152 Series is distinctive in styling and quality, the Imperial™ made its first appearance in the 1970’s. The most notable feature of this unique machine head is the large butterbean button, a fresh and funky design. • Sealed-in, lubricated gears• 16:1 gear ratio• 25/64” post hole• Post length to hole: 22.2mm• Overall post length: 27.4mm• Weight per pc/per set: 1.8oz/10.8oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: 151 Series

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3 treble and 3 bass, set of 6. Distinctive in styling and quality, the Imperial™ made it’s first appearance in the 1970’s. The most notable feature of this unique machine head is the futuristic Three Step button, a fresh and funky design trademarked by Grover. This re-introduction if the Imperial™ is an exact reproduction of the originals, including a 16 to 1 gear ratio.

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3+3.  The 136 Series features a die-cast, two-piece housing for additional strength and precision. The unique bearing surface in the housing ensures string post stability, enhancing the alignment of the gear and worm. Designed with a classic rounded button made popular in the 1950’s. • Sealed-in, lubricated gears• Die-cast housing• 14:1 gear ratio• 25/64” post hole• Post length to hole: 23.6mm• Overall post length: 28.9mm• Weight per pc/per set: 1.1oz/6.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for:*Note: New top mounting hole will need to be drilled102-18 Series102V Series103 Series106 Series109 Series109-18 Series502 Series509 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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6-in-line. The 136 Series features a die-cast, two-piece housing for additional strength and precision. The unique bearing surface in the housing ensures string post stability, enhancing the alignment of the gear and worm. Designed with a classic rounded button made popular in the 1950’s. • Sealed-in, lubricated gears• Die-cast housing• 14:1 gear ratio• 25/64” post hole• Post length to hole: 23.6mm• Overall post length: 28.9mm• Weight per pc/per set: 1.1oz/6.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for:*Note: New top mounting hole will need to be drilled102-18 Series102V Series103 Series106 Series109 Series109-18 Series502 Series509 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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