The Inner hollow potentiometer shaft diameter is approx. 6 mm (0.24 inch). Outside diameter: approx. 21 mm (0.83 inch); Total height: approx. 14.5 mm (0.57 inch). | THREE high-quality 6mm potentiometer knobs - solid brass - CNC machined. Durable and long-lasting use. | Brass knobs are for sound equipments or rotary potentiometer, for protection and easy control. The knobs have a knurled finish around their circumference. | Designed to fit most Tele, LP, Strat style electric guitar or precision bass instruments. | 3Pcs rotary control CNC machined knobs.

Dimensions: Outside(L x W): Approx. 92.5 x 46.3mm(3.64 x 1.82 in); Mounting Screws Distance (L x W): Approx. 81.4 x 37.2mm(3.2 x 1.46 in); Neck Ring Height: Approx. 5.88mm (0.23 in); Bridge Ring Height: Approx.7.88mm(0.35 in). Please check the parameter drawing in the attached pics before placing your order. | Humbucking pickup ring set - neck and bridge, flat bottom. | Metal construction, durable and sturdy, not easy to deform. Nice accessory to replace the broken or old pickup rings to dress up your guitar. | Mounting screws are not included. | Note: Due to different production batches of guitar and pickup frame, some covers need to be sanded to match the guitar. If for any reason you're not satisfied with your order, just let us know and we'll fix it asap.

Precision 17:1 gear ratio with sealed lubrication, cast housings and metal knobs. | Common size 13.7mm (0.54 inch) headstock peg hole. | Mounting hardware (screws, bushings and washers) included. | Sealed bass tuning machines for electric bass, like jazz Ibanez style bass. | Please check the parameter drawing in the attached pics before placing your order.

Precision 1:21 gear ratio with sealed lubrication, cast housings and metal knobs. | Gear Ratio - 1:21, designed to fit modern 10mm headstock peg holes. Comfortable and easy for adjustment of string tension. | Trapezium shaped button with sealed housing and 90 degree fixing tag. Mounting hardware (screws, bushings and washers) included. | Guitar locking tuning machines with heavy duty internal gear, sturdy and convenient. Easy to install, easy to replace your old or dirty guitar tuning pegs. | Please check the parameter drawing in the attached pics before placing your order.

Bridge size(L x W): Approx. 88.9 x 13.7mm( 3.5 x 0.54 inch), Roller saddle bridge post spacing is 73.9mm (2.91 inches), the string spacing of the bridge is 10.5mm (0.41 inch). | Material: Zinc alloy, the roller bridge is durable and corrosion resistant. | The roller saddle bridges help keep string stable and reduce the string breakage. Also, increase sustain and keep tuning stability. | Compatible with Gibson, Les Paul, Epiphone style guitar or other 6 stringed guitars that take a Tune-O-Matic style bridge. | Please check the parameter drawing in the attached pics before placing your order.

Package includes: 6 pieces (3 for Right, 3 for Left Handed) locking guitar tuners pegs, 12 mounting screws, 6 threaded bushing, good replacement for LP, SG, TL Style electric or acoustic guitars. | Guitar sealed tuning machines with heavy duty internal gear, sturdy and convenient. Easy to install, easy to replace your old or dirty guitar tuning pegs. | Guyker locking tuners help to provide finer tuning and greater stability. | Tulip shaped green button with sealed housing. Black plated. | Gear Ratio - 1:15, designed to fit modern 9mm headstock holes. Please check the parameter drawing in the attached pics before placing your order.