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 22396, Roloc Disc 361F, 36 YF-weight, TR, 1-1/2 in, Die R150S, 7000045091
3M 26018, PPS Series 2.0 Adapter, Type S11, 3/8 Male, 18 Thread NPS, 7100135942
Insize 3232-7, BLADE MICROMETER, 6-7", 6928640327650
Dynabrade 94992 1/4" Male Composite-Style Coupler with 1/4" Male Plug Assembly
Dynabrade 53270 7" (180 mm) Dia. Right-Angle Disc Sander 