Gotoh 3 and 3 Vintage Style Locking Tuners - Nickel These Gotoh Vintage Style locking tuners are a direct retrofit to a vintage-sized peghole that maintains that classic look with no drilling or modification to your headstock. These are 3 per side individual tuners (not on a plate) just like the originals but with a locking mechanism built into the string post. This set comes complete with 3 per side tuners, 8.8mm O.D. vintage bushings with 6mm I.D. and mounting screws needed. Gear ratio 15:1. Features: Model SD90SLNM8, Full set of (6) locking tuners, Nickel finish, Bushing Outer Diameter: 8.8mm (approx.), Gear ratio 15:1, Vintage size mounting holes required, not newer Grover style, Condition: These are brand new, fresh from the factory.