3M 27551, EMI Copper Foil Shielding Tape 1181, 1/2 in x 18 yd (12.70 mm x 16.5m), 7000132182 
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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