Dynabrade 78599 3/8" Dia. x 2" W x 1/8" Center Hole, 80 Grit, 100/pack 
Insize 4799-180, PROTRACTOR, 3.1×4.7″, 0-180?, 6928640317392
$34.57
Graduation 1?
Made of stainless steel
Satin chrome plated scale.
With clamping screw.
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