Schaller M6 #2900 Locking tuning key set. Strings are clamped from the back. Button size 29/32" : 23 mm. 16:1 ratio, 3 left keys, 3 right keys. Chrome plated.
Returned 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. Please visit allparts.com/returns for more information.