The U99-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .827” (21mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 16mm• Overall post length: 21mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U98-18 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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The U99-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .827” (21mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 16mm• Overall post length: 21mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U98-18 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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The U99-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .827” (21mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 16mm• Overall post length: 21mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U98-18 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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The U99-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .827” (21mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 16mm• Overall post length: 21mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U98-18 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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This new Ukulele peg series features a tapered nylon washer providing a firmer fit to the peg head. The result is finer tuning with strings that stay in tune longer. Made with the same precision quality as all of our Grover products.For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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This new Ukulele peg series features a tapered nylon washer providing a firmer fit to the peg head. The result is finer tuning with strings that stay in tune longer. Made with the same precision quality as all of our Grover products. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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Our new Ultra Capo features the -World’s first” offset design, allowing just a bit more room for the thumb on the back of the neck. Easy on... easy off... easy position, the Ultra-Capo also features a unique, non-glare velvet finish for a soft, no-slip feel. Made of lightweight, but super strong aluminium, the Ultra-Capo included the famous *Grover Lifetime Warranty. (Please note: rubber parts may naturally wear out over time and are not part of our lifetime warranty.)

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Our new Ultra Capo features the -World’s first” offset design, allowing just a bit more room for the thumb on the back of the neck. Easy on... easy off... easy position, the Ultra-Capo also features a unique, non-glare velvet finish for a soft, no-slip feel. Made of lightweight, but super strong aluminium, the Ultra-Capo included the famous *Grover Lifetime Warranty. (Please note: rubber parts may naturally wear out over time and are not part of our lifetime warranty.)

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Vertical, 3 Treble and 3 Bass, Set of 6. Beautiful machine heads with the classic round button, providing smooth,sure tuning. Heavily plated finish with a striking contrast to the brass gears. Screws and bushings inc. 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 4. Precision and durability with classic styling make this bass machine heads ideal for manufacturing or upgrading instruments. The die-cast housing is a sturdy foundation for maintaining the center lines of the worm and gear. A fixed bearing surface in the housing creates a smooth tuning surface for easy tuning. The safety string post and “elephant ear” button provide utility and a vintage look. Bushings and wood screws included. 22:1 gear ratio. 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 4. Precision and durability with classic styling make this bass machine heads ideal for manufacturing or upgrading instruments. The die-cast housing is a sturdy foundation for maintaining the center lines of the worm and gear. A fixed bearing surface in the housing creates a smooth tuning surface for easy tuning. The safety string post and “elephant ear” button provide utility and a vintage look. Bushings and wood screws included. 22:1 gear ratio. 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 4. Precision and durability with classic styling make this bass machine heads ideal for manufacturing or upgrading instruments. The die-cast housing is a sturdy foundation for maintaining the center lines of the worm and gear. A fixed bearing surface in the housing creates a smooth tuning surface for easy tuning. The safety string post and “elephant ear” button provide utility and a vintage look. Bushings and wood screws included. 22:1 gear ratio. 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 4. Precision and durability with classic styling make this bass machine heads ideal for manufacturing or upgrading instruments. The die-cast housing is a sturdy foundation for maintaining the center lines of the worm and gear. A fixed bearing surface in the housing creates a smooth tuning surface for easy tuning. The safety string post and “elephant ear” button provide utility and a vintage look. Bushings and wood screws included. 22:1 gear ratio. 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 4. Precision and durability with classic styling make this bass machine heads ideal for manufacturing or upgrading instruments. The die-cast housing is a sturdy foundation for maintaining the center lines of the worm and gear. A fixed bearing surface in the housing creates a smooth tuning surface for easy tuning. The safety string post and “elephant ear” button provide utility and a vintage look. Bushings and wood screws included. 22:1 gear ratio. 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 4. Precision and durability with classic styling make this bass machine heads ideal for manufacturing or upgrading instruments. The die-cast housing is a sturdy foundation for maintaining the center lines of the worm and gear. A fixed bearing surface in the housing creates a smooth tuning surface for easy tuning. The safety string post and “elephant ear” button provide utility and a vintage look. Bushings and wood screws included. 22:1 gear ratio. 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 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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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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For 6 string with safety post with keystone button, 3 Treble and 3 Bass, Set of 6. Mechanically engineered to the most precise standards of excellence, with the classic look of vintage styling, Grover’s Vintage 533 locking series come with a “thumb screw” mechanism, which locks the string into place. Insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw. 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. 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 6 string with safety post and keystone button, 3 Treble and 3 Bass, Set of 6. Mechanically engineered to the most precise standards of excellence, with the classic look of vintage styling, Grover’s Vintage 533 locking series come with a “thumb screw” mechanism, which locks the string into place. Insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw. 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. 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 6 string with safety post with keystone button, 3 Treble and 3 Bass, Set of 6. Mechanically engineered to the most precise standards of excellence, with the classic look of vintage styling, Grover’s Vintage 533 locking series come with a “thumb screw” mechanism, which locks the string into place. Insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw. 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. 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 6 string with safety post, 3 Treble and 3 Bass, Set of 6. Mechanically engineered to the most precise standards of excellence, with the classic look of vintage styling, Grover’s Vintage 533 locking series come with a “thumb screw” mechanism, which locks the string into place. Insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw. 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. 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 6 string with safety post, 3 Treble and 3 Bass, Set of 6. Mechanically engineered to the most precise standards of excellence, with the classic look of vintage styling, Grover’s Vintage 533 locking series come with a “thumb screw” mechanism, which locks the string into place. Insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw. 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. 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 6 string with safety post, 3 Treble and 3 Bass, Set of 6. Mechanically engineered to the most precise standards of excellence, with the classic look of vintage styling, Grover’s Vintage 533 locking series come with a “thumb screw” mechanism, which locks the string into place. Insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw. 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. 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 6-in-line guitars, Set of 6. Mechanically engineered to the most precise standards of excellence, with the classic look of vintage styling, Grover’s Vintage 533 locking series come with a “thumb screw” mechanism, which locks the string into place. Insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw. 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. 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 6-in-line guitars, Set of 6. Mechanically engineered to the most precise standards of excellence, with the classic look of vintage styling, Grover’s Vintage 533 locking series come with a “thumb screw” mechanism, which locks the string into place. Insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw. 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. 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 6-in-line guitars, Set of 6. Mechanically engineered to the most precise standards of excellence, with the classic look of vintage styling, Grover’s Vintage 533 locking series come with a “thumb screw” mechanism, which locks the string into place. Insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw. 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. 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+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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3 treble and 3 bass, set of 6. Our Vintage machine uses a die-cast, two-piece housing for additional strength and precision. The unique bearing surface in the housing provides a rigid string post enhancing the alignment of the gear and worm. The 14 to 1 gear ratio provides for fine tuning. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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Horizontal, 3 Treble and 3 Bass, Set of 6. The Grover® deluxe machine heads are mounted three to a plate for the vintage look that has been popular for decades. The stamped back plate provides a sturdy base for mounting vertically or horizontally on the head stock. The housings are securely fastened to the base insuring proper gear and worm alignment for accurate tuning. Bushings and screws included.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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Horizontal, 3 Treble and 3 Bass, Set of 6. The Grover® deluxe machine heads are mounted three to a plate for the vintage look that has been popular for decades. The stamped back plate provides a sturdy base for mounting vertically or horizontally on the head stock. The housings are securely fastened to the base insuring proper gear and worm alignment for accurate tuning. Bushings and screws included.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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Horizontal, 3 Treble and 3 Bass, Set of 6. The Grover® deluxe machine heads are mounted three to a plate for the vintage look that has been popular for decades. The stamped back plate provides a sturdy base for mounting vertically or horizontally on the head stock. The housings are securely fastened to the base insuring proper gear and worm alignment for accurate tuning. Bushings and screws included.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. Our Vintage machine uses a die-cast, two-piece housing for additional strength and precision. The unique bearing surface in the housing provides a rigid string post enhancing the alignment of the gear and worm. The 14 to 1 gear ratio provides for fine tuning. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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Vertical, 3 Treble and 3 Bass, Set of 6. The Grover® deluxe machine heads are mounted three to a plate for the vintage look that has been popular for decades. The stamped back plate provides a sturdy base for mounting vertically or horizontally on the head stock. The housings are securely fastened to the base insuring proper gear and worm alignment for accurate tuning. Bushings and screws included. 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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For standard guitars, set of 6. The 102V Series are a remake (replica) of the original “Milk bottle” style Rotomatics® first introduced by Grover®. With an improved 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. Gear box has a 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 item utilises the shape of the original Rotomatic housing from the 1960s, making it perfect for restoring vintage guitars. With an improved 18:1 gear ratio, this unique style will make any vintage guitar appear truly original. It is available in chrome, gold and nickel. 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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