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″.

Dynabrade 78318 2" Dia. x 1" W x 1/4" Shank, Very Fine, NWN DynaBrite Wheel, 10/pack
3M 27468, EMI Copper Foil Shielding Tape 1181, 1 in x 18 yd (25,40 mm x 16,5 m), 7000132169
3M 05021, Cloth Belt 384F, 180+ XF-weight, 1/4 in x 24 in, Fabri-lok, 7100141302, 200 per case
3M 26018, PPS Series 2.0 Adapter, Type S11, 3/8 Male, 18 Thread NPS, 7100135942
Dynabrade 78769 3" Dia. x 2" W x 1/4" Shank, Fine, NWN DynaBrite Wheel, 10/pack
ACS CX1250 Diamond Belt, 1/2" X 24" 125u
Dynabrade 11486 Dynabelter Accu-Grinder Abrasive Belt Tool, Heavy-Duty
3M 26000, PPS Series 2.0 Spray Cup System Kit, Standard (22 fl oz, 650mL), 200u Micron Filter, 7100135954
Dynabrade 95674 1/4" Female Coupler
3M 26130, PPS Series 2.0 Adapter, Type S35, 16 mm Female, 1.5 mm
Thread Stretched, 7100135926
Insize 7325-ADD10, EXTENSION CABLE, 10m, USB plug, 6928640377273
3M 26016, PPS Series 2.0 Adapter, Type S9, 16 mm Male, 1.5 mm Thread, 7100135330
3M 06796, Hand-Masker Paper Blade, PB12, 12 in, 7000133917 