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″.

3M 45025, Diamond Grade DG3 Reflective Digital Sheeting 4084UDS, Fluorescent Orange, 36 in x 50 yd, 1 Roll/Case, 7100282391
3M 55574, Stikit Paper Disc Roll 236U, 6 in x NH 6 Hole, P180 C-weight, D/F, Die 600FH, 7000119565, 100 discs per roll
3M 95587, Venture Tape FSK Facing Tape 1525CW, Silver, 6 in x 50 yd, 7100043912
Dynabrade 96031 Open-End Wrench, 7/16" 