Smooth Bore Ring Gages

4.2825 MAHR FERDERAL AIR PLUG GAGE EMP-4.2825-BETX100 MADE IN USA - BR3303BT3

2.7520 CL XX MASTER PLAIN BORE RING GAGE 2.7500 +.0020 2 3/4 70 mm 2.752 CHECK - BR3301BT3

2.1230 MASTER PLAIN BORE RING GAGE 2.1250 -.0020 UNDERSIZE 2 1/8 54 mm 2.123 - CB1907BT3

2.3743 CL XX MASTER PLAIN BORE RING GAGE 2.3750 -.0007 UNDERSIZE 2 3/8 60.307 mm - CB1898BT3

2.5190 CL X MASTER PLAIN BORE RING GAGE 2.5156 +.0034 2 33/64 64 mm 2.519 - CB1891BT3

.6865 MASTER PLAIN BORE RING GAGE .6875 -.0010 UNDERSIZE 11/16 17.437 mm - CB1892BT3

.7197 CLASS XX MASTER PLAIN BORE RING GAGE .7188 +.0009 OVERSIZE 23/32 18.280 mm - CB1940BT3

.5900 CL X MASTER PLAIN BORE RING GAGE .5938 -.0038 UNDERSIZE 19/32 15 mm .590 - CB1939BT3

.6520 MASTER PLAIN BORE RING GAGE .6563 -.0043 UNDERSIZE 21/32 16.561 mm .652 - CB1938BT3

1.3115 MASTER PLAIN BORE RING GAGE 1.3125 -.0010 UNDERSIZE 1 5/16 33.312 mm - CB1937BT3

1.1235 CL XX MASTER PLAIN BORE RING GAGE 1.1250 -.0015 UNDERSIZE 1 1/8 28.537 mm - CB1935BT3

.3765 CLASS XX MASTER PLAIN BORE RING GAGE .3750 +.0015 OVERSIZE 3/8 9.563 mm - CB1931BT3