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 33443, Cubitron II File Belt, 36+, 1/2 in x 18 in (12.7 mm x 457.2 mm), 7100033184, 10 belts per carton, 5 cartons per case
3M 37001, Combination Dual Airline Back-Mounted Breathing Tube SA-2600/37001(AAD), 7000002044, 1 EA/Case
Binks 46-6032, 68PB Air Cap
Dynabrade 32014 Filter Cage (for models 61204 and 614205)
Dynabrade 58507 2-3/4" W x 7" L Dynabug II Orbital Sander, Non-Vacuum with Clips, .15 HP, 10,000 RPM, 3/32" Orbit
Dynabrade 13509 Dynastraight Finishing Tool, Rear Exhaust, 6,000 RPM, 5/8" (16 mm) or 1" (25 mm) Dia. Arbor
Insize 4120-18N, METRIC THREAD RING GAGE, NO GO, M18x2.5, 6928640341816 