Sperzel Electric Guitar 3 A-Side Locking Machine Heads Set with

Sperzel Electric Guitar 3 A-Side Locking Machine Heads Set with Locking Knob Product Description

Sperzel Locking Keys, Gold Plated, 3x3, 12 1, with bushings and washers. Single pin mount, no mounting screws needed. For 9/16 11/16 thick headstocks, requires 10mm 13/32 diameter holes.