Smooth Bore Ring Gages

3.06875 CLASS XX MASTER PLAIN BORE RING GAGE 3.0625 +.0063 OVERSIZE 3 1/16 78 mm - AR2371AP1

3.1251 MASTER PLAIN BORE RING GAGE 3.1250 +.0001 OVERSIZE 3 1/8 79.378 mm - AR2375AP1

FEDERAL

2.3260 CL XX MASTER PLAIN BORE RING GAGE 2.3281 -.0021 2 21/64 59 mm 2.326 - AR2386AP1

3.680 MASTER PLAIN BORE RING GAGE 3.6875 -.0075 3 11/16 93.472 mm 3.6800 - AR2378AP1

1.6250 CLASS XX MASTER PLAIN BORE RING GAGE ONSIZE 1 5/8 41.275 mm 1.625 - AR2381AP1

1.5625 MASTER PLAIN BORE RING GAGE ONSIZE 1 9/16 39.688 mm - AR2388AP1

2.0050 MASTER PLAIN BORE RING GAGE 2.0000 +.0050 OVERSIZE 2.0 51 mm 2.005 - AR2383AP1

39.493 CL XX MASTER PLAIN BORE RING GAGE 39.500 -.007 UNDERSIZE 39.5 mm 1.5548 - AR2384AP1

2.046 MASTER PLAIN BORE RING GAGE 2.0469 -.0009 OVERSIZE 2 3/64 52 mm 2.0460 - AR2382AP1

1.5545 CL XX MASTER PLAIN BORE RING GAGE 1.5625 -.0080 1 9/16 39.484 mm - AR2387AP1

2.7540 CL Z MASTER PLAIN BORE RING GAGE 2.7500 +.0040 OVERSIZE 2 3/4 70 mm 2.754 - AR2376AP1

2.22195 CL XX MASTER PLAIN BORE RING GAGE 2.2188 +.0032 2 7/32 56.438 mm - AR2385AP1