Hipshot Machine Heads Grip-Lock Closed 3+3 (Post Hole 8.5mm)

Has your beautiful vintage guitar spent its life in the closet because it can’t stay in tune? Give it a new life with the Hipshot® Vintage Tuner Upgrade Kit! Our Grip-Lock™ system securely clamps your strings for better tuning accuracy and stability, while the patented UMP™ (Universal Mount Plate) allows you to install the machines without marring, modifying, or damaging your headstock in any way. In fact, the only tool you need is a 10mm wrench. Now you can pull your classic out of the closet with no risk of lowering its value.

• Vintage style tuners retrofit guitars with 11/32″ [8.5mm] headstock holes
• All tuning machines are .827″ [21mm] post length.
• Included UMP™ (Universal Mount Plate) for 3+3 headstocks fits guitars with three tuners on a side with no drilling or special tools
• Grip-Lock™ pin and thumb wheel system clamps onto your string, no wraps needed
• 15:1 tuning ratio for quick adjustment
• Schaller® M6 Mini footprint
• String post hole fits strings up to .060″ (we can enlarge to .090″ by special order)
• Protected by USA and and foreign patents
• Made in Korea