3M 29824, Sanding Screen, 80 Grit, 20 in x NH, 7100160247 
Insize 4799-1300, PROTRACTOR, 11.8×19.7″, 0-180?, 6928640317439
$107.44
Graduation 1?
Made of carbon steel
Satin chrome plated scale.
With clamping screw.
Related products
Measuring/ Inspection Instruments
Insize 0010-A35, SOUND LEVEL METER, 35dB~130dB, 6974029777004
$170.80