Check the listing for details. Hipshot Grip-Lock Open Black 18:1 4x2 tuners. Condition: New. Listed at 64.95 USD. Hipshot Grip-Lock Open Black 18:1 4x2 tuners Manufacturers Part Number: 6GL0B-4x2 Looking for faster string changes and the security of locking tuners? The Grip-Lock Open tuning machine by Hipshot is a fantastic option. The super fine 18:1 tuning ratio helps you quickly dial in the pitch without overshooting while the open gear design will give your guitar a look that is simultaneously vintage and fresh.A wide range of upgrade buttons are available for these tuners 18:1 tuning ratio for super fine adjustmentAll tuning machines are .827" [21mm] post lengthGrip-Lock option uses a pin and thumb wheel system to clamp onto your string, no wraps neededString post hole fits strings up to .060"Compatible with 13/32" [10mm] headstock holesWeight: 1.23 oz / 34.8g per tuner with mounting hardwareMade in KoreaFull manufacturer warranty. SportHiTech is an authorized Hipshot dealer.