The perfect setting master for setting comparators for all API 6A standard and non-API R/RX RTJ ring groove diameters. Covers all API 6A standard rings from R11 to R64. Sizes covered R11, R12, R13, R14, R15, R16, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28,R29, R30, R31, R32, R33, R34, R35, R36, R37, R38, R39, R40, R41, R42, R43, R44, R45, R46, R47, R48, R49, R50, R51, R52, R53, R54, R55, R56, R57, R58, R59, R60, R61, R62, R63 and R64.

These gages are precision made from hardened tool steel for stable sizing and long life. Each gage comes with a long form certificate of calibration NIST traceable.

All Prices in US Dollars.