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″.
setting ring when supplied may be .20008″.

3M 19795, Utility Cloth Roll 314D, P400 J-weight, 1-1/2 in x 20 yd, 7100081717
3M 35124, Grippy Sanding Cloth Trial Kit, 7100230957
Dynabrade 95745 1/4" NPT Speed Regulator
3M 26432, PPS Series 2.0 Sealing Plug, 96 plugs per pack, 7100135627
Insize 7101-300A, DIGITAL HORIZONTAL SCALE, 12"/300mm, 6928640321535
3M 26128, PPS Series 2.0 Adapter, Type S33, 1/8 Female, 27 Thread NPT, 7100135950
3M 86804, Cubitron II Stikit Film Disc 775L, 80+, 6 in x NH, Linered w/Tab, Die 600Z, 7100045866, 250 per case
Dynabrade 11005 Dynafile Belt Housing Guard
3M 12953, Scotch-Brite Roloc Surface Conditioning Disc, SC-DR, A/O Medium, TR, 4 in, 7100007035, 100 per case
Dynabrade 98270 1/2" Male Coupler 