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 26022, PPS Series 2.0 Adapter, Type S12, 10 mm Male, 1.0 mm Thread, 7100135943
3M 26000, PPS Series 2.0 Spray Cup System Kit, Standard (22 fl oz, 650
mL), 200 Micron Filter, 7100134641
Insize 6891-1, MAGNETIC V-BLOCK SET, 2.8x1.6x2.0", pair, 6928640320651
Dynabrade 97568 3/8" NPT Female Safety Coupler
Dynabrade 95684 1/4" Male Coupler 