The #9 series has the same features, but with a shorter string post with the string hole .630 in. from the back of the base. The gear ratio is 14:1. Available in nickel and gold with black or white buttons and each set includes all mounting hardware.

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.