3M Super Abrasives Roloc Disc, 2" Type-R, Medium AO High Strength, Box of 50 
Insize 4797-250, PROTRACTOR, 9.8×19.7″, 10-170?, 6928640317477
$119.57
Graduation 1?
Made of carbon steel.
Satin chrome plated.
With clamping screw.
The blade is moveable.
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