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 11476 Dynabelter Abrasive Belt Tool, Heavy-Duty
3M 85318, Cloth Belt 777F, 80 YF-weight, 1/4 in x 18 in, Fabri-lok, Single-flex, 7000118394, 200 per case
Dynabrade 14360 Pneumatic Pipe Belt Finisher
Dynabrade 97571 1/2" NPT Male Safety Coupler
Insize 0130-L110, LIGHT METER (BASIC TYPE), 6974029776564 