3M 5681, Disc Pad Holder 915, 5 in x 1/8 in x 3/8 in M14-2.0 Internal, 7000028500 
Insize 2374-320, PROTRACTOR, 0-320?, without positioning block, 6928640317491
$150.77
Graduation 2′
Accuracy ?2′
Made of stainless steel.
Satin chrome plated scale.
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