Dynabrade 79127 3/4" W x 18" L 120 Grit DynaCut Premium Ceramic Belt, 50/pack 
Insize 3282-1, DISK MICROMETER, 0-1″, 6928640328084
$140.14
Graduation .0001″.
Measures root tangent length of gear.
Ratchet stop.
Supplied with setting standards (except with 0-1″).
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