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Sperzel®'s feature a 12:1 gear ratio and sealed gears for maintenance-free lubrication. Threaded bushings and a rear pin allow installation without screws. Sperzel® tuning machines come with graduated posts to assist in eliminating the need for string trees by changing downward angle of the string after it passes through the nut. Great USA made tuning machines!
Still setting the bar for all of today's locking tuners. Others may be easier to install but none are more stable , secure or resonant than Sperzels.tata
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.