Dynabrade 77768 5" Dia. x 7/8" Center Holes, 60 Grit, Z/A, Type 27, DynaCut Flap Disc w/Fiberglass, 10/pack 
Insize 4797-250, PROTRACTOR, 9.8×19.7″, 10-170?, 6928640317477
$121.09
Graduation 1?
Made of carbon steel.
Satin chrome plated.
With clamping screw.
The blade is moveable.
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