Smooth Bore Ring Gages

2.5048 CL XX MASTER PLAIN BORE RING GAGE 2.5000 +.0048 OVERSIZE 2 1/2 63.622 mm - SR0056BS3

1.8804 CL XX MASTER PLAIN BORE RING GAGE 1.8750 +.0054 OVERSIZE 1 7/8 47.762 mm - SR0048BS3

2.0064 CLASS XX MASTER PLAIN BORE RING GAGE 2.0000 +.0064 OVERSIZE 2.0 51 mm - SR0055BS3

1.9406 CL XX MASTER PLAIN BORE RING GAGE 1.9375 +.0031 1 15/16 49.291 mm - SR0053BS3

2.5110 CL X MASTER PLAIN BORE RING GAGE 2.5000 +.0110 2 1/2 63.779 mm 2.511 - SR0052BS3

2.5053 CL XX MASTER PLAIN BORE RING GAGE 2.5000 +.0053 OVERSIZE 2 1/2 63.635 mm - SR0054BS3

2.2486 CLASS XXX MASTER PLAIN BORE RING GAGE 2.2500 -.0014 UNDERSIZE 2 1/4 57 mm - SR0049BS3

2.1287 CLASS XX MASTER PLAIN BORE RING GAGE 2.1250 +.0037 OVERSIZE 2 1/8 54 mm - SR0047BS3

1.7540 CL XX MASTER PLAIN BORE RING GAGE 1.7500 +.0040 1 3/4 44.552 mm 1.754 - SR0046BS3

2.0060 CL XX MASTER PLAIN BORE RING GAGE 2.0000 +.0060 OVERSIZE 2.0 51 mm 2.006 - SR0045BS3

2.5080 CL XX MASTER PLAIN BORE RING GAGE 2.5000 +.0080 2 1/2 63.703 mm 2.508 - SR0044BS3

2.5120 CL X MASTER PLAIN BORE RING GAGE 2.5156 -.0036 2 33/64 64 mm 2.512 - SR0043BS3