Dynabrade 11332 Contact Wheel Ass'y, 1/4" Dia. x 3/8" W x 3/16" I.D., Crown Face, Steel 
Insize 3282-2, DISK MICROMETER, 1-2″, 6928640328091
$147.30
Graduation .0001″.
Measures root tangent length of gear.
Ratchet stop.
Supplied with setting standards (except with 0-1″).
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