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 98272 1/2" NPT Female Plug
3M 18451, Scotch-Brite Heavy Duty Hand Pad 7440B, HP-HP, A/O Medium, 6 in x 9 in, 7000000715, 40 ea/Case
Insize 0010-A35, SOUND LEVEL METER, 35dB~130dB, 6974029777004
3M 05068, Cubitron II Stikit Film Disc 775L, 400+, 5 in x NH, Linered w/Tab, Die 500X, 7100145364, 250 per case
Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint
3M 40145, Thermosetable Glass Cloth Tape 3650, White, 8.3 mil, 7 in x 60 yd, 7100198501 