Musiclily L3+R3 Grover-Type Guitar Tuners, Les Paul Style, for Electric/Acoustic Guitars, Chrome

The mounting screw is located in the center of the machine headstock and is primarily used on Epiphone Les Pauls and acoustic guitars. Tuner Mounting Hole: 10mm. Material: Metal alloy; Gear Ratio: 15:1. Set of 6 (3:3). Includes nuts, ferrules, and screws. Package Contents: 6 pieces (L3 + R3).