Vintage Hybrid Style Keystone Button 3L3R Guitar Locking Tuners Tuning Pegs Keys Machine Heads Set for Les Paul Style Electric or Acoustic Guitar Nickel with Cream Button 1.Ideal for many LP/SG/ES/Flying V style or similar electric or acoustic guitars please check our tuner size before you buy 2.Shaft diameter: 6mm15/64 vintage style bushing outside diameter: 8.3mm21/64 NOT the modern 10mm25/64 peg hole so if you try to install it to a modern 10mm pge hole guitar head you will need a convert bushing to help 3.Ratio 1:15 locking tuners feature helps you to fast smooth tuning and keep your guitar stay in tune 4.Vintage looking and modern locking Hybrid design improved stable shaft quality electroplate finish and hardware. 5.6 pieces3 Left x 3 Right tuners set includes mounting accessories