Musiclily Pro R18T 3R3L 18:1 Ratio Semi Closed Vintage Hybrid Style Locking Machine Heads Tuners Tuning Pegs Keys with Keystone Button for Acoustic Electric Guitar, Nickel

Fits many electric guitar and acoustic guitar with 3R+3L tuners, like LP/SG/ES style guitar Shaft diameter: 6mm(15/64 inch), vintage style bushing outside diameter: 8.8mm(11/32 inch), NOT the modern 10mm(25/64 inch) peg hole, so if you try to install it to a modern 10mm peg hole guitar headstock, you will need a convert bushing to help Gear ratio 18:1, the retaining mechanism lock the strings in place, preventing them from slipping, improve tuning stability and make string changes much faster, turn smoothly and precisely, keep your guitar stays in tune Zinc alloy made, with great electroplated finish Package includes: 6pcs machine heads set (3R+3L) and mounting accessories