Dynabrade 78582 1/4" Dia. x 1" W x 1/8" Center Hole, 180 Grit, 100/pack 
Insize 4797-100, PROTRACTOR, 3.9×5.9″, 10-170?, 6928640317446
$52.68
Graduation 1?
Made of carbon steel.
Satin chrome plated.
With clamping screw.
The blade is moveable.
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