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 98241, Marine Adhesive Sealant 3000 UV, White, 290 mL Cartridge, 7010330425, 12/Case
Insize 7260-250, SPRING DIVIDER, 10", 6928640319723
3M 99436, Drywall Sanding Screens, 4-3/16 in x 11-1/4 in, 220 grit, 7000047623, 10 sheets per pack 