Dynabrade 78598 3/8" Dia. x 2" W x 1/8" Center Hole, 60 Grit, 100/pack 
Insize 3292-3, HUB MICROMETER, 2-3″, 6928640328428
$158.57
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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