Smooth Bore Ring Gages

1.8805 MASTER PLAIN BORE RING GAGE 1.8750 +.0055 OVERSIZE 1 7/8 47.765 mm CHECK - BT3884AP1

.20602 CLASS X MASTER PLAIN BORE RING GAGE .2031 +.0029 UNDERSIZE 13/64 5.233 mm - BT3883AP1

1.8860 CL X MASTER PLAIN BORE RING GAGE 1.8750 +.0110 OVERSIZE 1 7/8 48 mm 1.886 - BT3882AP1

2.0670 CL X MASTER PLAIN BORE RING GAGE 2.0625 +.0045 2 1/16 52.502 mm 2.067 - BT3881AP1

2.0460 CL X MASTER PLAIN BORE RING GAGE 2.0469 -.0009 2 3/64 52 mm 2.046 CHECK - BT3879AP1

2.0620 CL X MASTER PLAIN BORE RING GAGE 2.0625 -.0005 2 1/16 52.375 mm 2.062 - BT3880AP1

1.8500 CL XX MASTER PLAIN BORE RING GAGE 1.8438 +.0062 1 27/32 47 mm 1.850 CHECK - BT3878AP1

2.0420 CL XX MASTER PLAIN BORE RING GAGE 2.0313 +.0107 2 1/32 52 mm 2.042 CHECK - BT3849AL4

1.8581 CLASS X MASTER PLAIN BORE RING GAGE 1.8594 -.0013 OVERSIZE 1 55/64 47 mm - BT3860AL4

1.9400 CL XX MASTER PLAIN BORE RING GAGE 1.9375 +.0025 1 15/16 49.276 mm 1.940 - BT3859AL4

1.9150 CL X MASTER PLAIN BORE RING GAGE 1.9063 +.0087 1 29/32 48.641 mm 1.915 - BT3848AL4

1.9006 MASTER PLAIN BORE RING GAGE 1.9063 -.0057 UNDERSIZE 1 29/32 48.275 mm - BT3855AL4