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The Super Rotomatic® has a 14:1 gear ratio. The 3 step button gives this machine a distinctive look and the sealed-in lubrication assures smooth gear-and-worm movement for the life of the machine.
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.
WD®, the WD logo, and logo / artwork design(s), are registered trademarks of WD Music Products, Inc. Kluson®, the Kluson logo, Kluson stylized K, Kluson pinstripes and logo / artwork design(s), are registered trademarks of WD Music Products, Inc.
All other trademarks, service marks and trade names present on this site are trademarks or registered trademarks of their respective owners. WD replacement parts are made by or for WD Music Products, Inc. and are not to be represented as products of the following companies unless otherwise noted.