3M 77737, ROLOC DISC PAD TS AND TSM, EXTRA HARD, 3 IN 1/4-20 INTERNAL, 7010299209 
3M 14211, Roloc Disc Pad TS and TSM, Medium 2 in 1/4-20 Internal, 7000045283 
Insize 3292-4, HUB MICROMETER, 3-4″, 6928640328435
$182.83
Graduation .0001″.
Measure hub thickness and shoulder inside a bore.
Ratchet stop.
Carbide measuring faces.
Supplied with setting standards (except 0-1″).
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