3M 26141, PPS Series 2.0 Adapter, Type S44, 3/8 Female, 19 Thread BSP, 7100158892 
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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