Described as "the first significant advance in guitar tuning capabilities" Sperzel 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.

 

Eliminating shaft wobble, endplay, minimizing backlash and looking super cool at the same time. Easy! 

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@2018 White Dog Music - With love, with passion and for my boy always.