For zero setting of inside micrometers, three points internal micrometers and bore gages.
Deviation is the difference between the ordered size and the size marked on the setting ring when supplied.
For example, the ordered size is .2”, the size marked on the setting ring when supplied may be .20008″.

Insize 0131-A120, LIGHT METER, 0.01~19.99FC, 0.1~199.9FC, 1~1999FC, 10~19990FC, 0.1~199.9Lux, 1~1999Lux, 10~19990Lux, 100~199900Lux, 6974029776557
3M 5677, DISC PAD HOLDER 914, 4 IN X 1/8 IN X 3/8 IN M14-2.0 INTERNAL, 7010299278
Norton 66254432925 Wheel, 3" X 1/2" X 1/4" Bear-Tex, Rapid Blend, Non-Woven 5 Density, A/O, M Grit, 20 Each
3M 26001, PPS Series 2.0 Cup, Standard (22 fl oz, 650 mL), 7100134653, 2 Per Carton
3M 5681, Disc Pad Holder 915, 5 in x 1/8 in x 3/8 in M14-2.0 Internal, 7000028500
3M 45099, Roloc Disc Pad TR, Medium 1-1/2 in 1/4-20 Internal, 7000045280
3M 33440, Cubitron II File Belt, 33440, 80+, 10 mm x 330 mm (3/8 in x 13 in), 7100033195, 10 belts per carton, 5 cartons per case
3M 28760, Cubitron II Cut and Grind Wheel, T27, 7 in x 1/8 in x 7/8 in, 7100019072, 20 per case
3M 80976, Cloth Belt 777F, 60 YF-weight, 1/8 in x 24 in, Fabri-lok, Single-flex, 7000118442, 200 per case
3M 45179, Roloc Disc Pad TR, Medium 4 in 1/4-20 Internal, 7000045281
3M 28763, Cubitron II Cut and Grind Wheel, Type 27 Quick Change, 5 in x 1/8 in x 5/8"-11, 7100018883, 20 per case
3M 26200, PPS Series 2.0 Lid, Standard/Large, 200 Micron Filter, 7100135626
Standard Abrasives 42779, A/O Flexible Flap Wheel 681425, 8 in x 1 in x 1 in 60, 7010331220
3M 84282, Cloth Belt 777F, 80 YF-weight, 1/8 in x 18 in, Fabri-lok, Single-flex, 7100083001, 200 per case 