No Lock machine heads, Vintage series, 3+3
Sperzel tuning keys consist of advanced design standards. Every component is designed to provide stable performance and reliable action during combined movements. Our tuning keys are machined from solid billet aluminum for light weight and held to precise tolerances and quality checks to produce a precision tuning key. All of this combines to help eliminate shaft wobble and endplay and minimize backlash.
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Key features & Specifications