3M 20922, PSA Cloth Disc 348D, 60 X-weight, 1-1/2 in x NH, Die 150S, 7010326528. 
3M™ 72016, Remote Alarm & Strobe 529-05-20, Audible, 7000131708, 1 EA/Case 
Insize 7262-250, OUTSIDE SPRING CALIPER, 10″, 6928640319686
$25.73
Made of carbon steel.
Outside Spring Caliper
10″ Diameter Range
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