Sperzel Locking Keys, Satin Black, 6L, 12:1, with bushings and washers. String posts have graduated heights . Single pin mount, no mounting screws needed. For 9/16" - 11/16" thick headstocks, requires 10mm (13/32")-diameter holes.
Tuning Key Return PolicyReturned tuning keys must be wrapped separately so as not to rub against one another resulting in surface blemishing. All tuning keys must be returned with any and all included screws, bushings, and/or other hardware. Tuning keys returned without proper packaging care, or missing included hardware, will be subject to a restocking fee, or may not be accepted at all.
Returns, refunds, or credits may be accepted or issued within 90 days of the original purchase date, provided the product is returned in its original packaging with a
Return Form and copy of the customer's invoice or invoice number. Opened items are subject to restocking fee of 15%. Customer is responsible for return shipping fees.
Defective merchandise may be returned up to one year from the date of purchase provided no alterations have been made. Invoice number must be provided.
Customers who have purchased Allparts products from an Allparts dealer must return their products to that specific dealer.
Sale and Closeout products may be sent back for exchange or store credit only; no refunds.
Return FormTo return any products from your order, please print and fill out a return form and include it with your return package. Only one return form is necessary.
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Download Return Form 
