Smooth Bore Ring Gages

.4000 CL X MASTER PLAIN BORE RING GAGE .4063 -.0063 UNDERSIZE 13/32 10 mm .400 - JC2789AC4

.1870 CL XX MASTER PLAIN BORE RING GAGE .1875 -.0005 3/16 4.750 mm .187 CHECK - JC2784AC4

.1287 CLASS X MASTER PLAIN BORE RING GAGE .1250 +.0037 OVERSIZE 1/8 3.269 mm - JC2794AC4

.1869 CL XX CARBIDE MASTER PLAIN BORE RING GAGE .1875 -.0006 3/16 4.747 mm CHECK - JC2788AC4

.4221 MASTER PLAIN BORE RING GAGE .4219 +.0002 UNDERSIZE 27/64 10.721 mm CHECK - JC2791AC4

.2710 CLASS X MASTER PLAIN BORE RING GAGE .2813 -.0103 UNDERSIZE 9/32 7 mm .271 - JC2783AC4

.4400 CLASS XX MASTER PLAIN BORE RING GAGE .4375 +.0025 OVERSIZE 7/16 11 mm .440 - JC2790AC4

.3900 CLASS X MASTER PLAIN BORE RING GAGE .3906 -.0006 OVERSIZE 25/64 10 mm .390 - JC2787AC4

.1246 CLASS XX MASTER PLAIN BORE RING GAGE .1250 -.0004 UNDERSIZE 1/8 3 mm CHECK - JC2782AC4

1.2404 CL X MASTER PLAIN BORE RING GAGE 1.2500 -.0096 UNDERSIZE 1 1/4 31.506 mm - BT3590AC4

.1560 CLASS XX MASTER PLAIN BORE RING GAGE .1563 -.0003 UNDERSIZE 5/32 4 mm .156 - BT3589AC4

.1574 CLASS XX MASTER PLAIN BORE RING GAGE .1563 +.0011 OVERSIZE 5/32 4 mm CHECK - BT3588AC4