Durable and highly reliable for easy, smooth, and precise tuning.  Made solid materials with an elegant and professional appearance.  With heavy duty internal gears.  Provides more fine tuning and greater stability.  Quality sealed guitar machine heads.  6 pcs guitar tuners, combinations of 3 can be choose, 6R, 6L or 3R3L.  Good locking pegs tuner can ensure you play your beloved guitar flexibly and accurately. Guyker locks  Pegheads fit guitar for LP, SG, EPI, Tele style electric or acoustic guitars. In the foreground with sealed machine  Heads and heavy-duty internal gears, you can run smoothly, allowing the player to adjust with precision and ease.  Feature:  Replacement / Replacement parts for electric or acoustic guitars or precision instruments.  Transmission ratio - 1: 18, designed to fit modern 10mm scoop holes.  Easy to install, fast and precise setup.  Colour:silver  Material:metal  Size:8.3-9MM  Package Contents:  6*string buttons   7*screws  Only the above package content, other products are not included.  Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.