The one-piece back plate, brass gear, die cast button and knurled bushings are the same as those used on the Sta-Tite™ guitar machine head. The string post has been shortened to one inch with the string hole .775 from the back of the base. 14:1 gear ratio provides for accurate tuning. Heavily nickel plated. Set of four includes bushings and wood screws.

(8N Nickel), (8G Gold) Metal Buttons, PICTURED

Please Note: Grover tuning machines produced prior 1985 use different specifications for threading and shaft sizing. Current production replacement parts are not interchangeable on vintage (pre-1985) Grover tuning machines.