3M 65488, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc, DUH5100TRI-10T, 5 IN x UH, 100, 7100202881, 10 per pack 
Insize 4797-150, PROTRACTOR, 5.9×11.8″, 10-170?, 6928640317453
$61.69
Graduation 1?
Made of carbon steel.
Satin chrome plated.
With clamping screw.
The blade is moveable.
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