Sperzel Trim-Lok Locking Tuners set the standard for high quality thumbscrew locking tuners, they are machined from solid aluminium to precise machining tolerances to eliminate shaft wobble and provide minimum backlash, the housing extends further up the shaft with the bushing threads on the outside, keeping the string post solid.
6 In line set
Clamping wheel on the back
Staggered for optimal string positioning
Rod diameter: 2.7 mm
Bore diameter: 10 mm
Made in USA
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