3M™ 17379, Versaflo™ Length Adjusting Breathing Tube BT-30, 7100009685, 1 EA/Case 
3M 26116, PPS Series 2.0 Adapter, Type S25, 1/4 Female, 19 Thread BSP, 7100135957 
Insize 4799-1300, PROTRACTOR, 11.8×19.7″, 0-180?, 6928640317439
$108.59
Graduation 1?
Made of carbon steel
Satin chrome plated scale.
With clamping screw.
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