Standard Abrasives 711444, A/O Straight Cartridge Roll, 1/4 in x 1 in x 1/8 in 180, 7100080017 
Insize 4797-200, PROTRACTOR, 7.9×15.7″, 10-170?, 6928640317460
$76.94
Graduation 1?
Made of carbon steel.
Satin chrome plated.
With clamping screw.
The blade is moveable.
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Insize 6140, DEPTH BASE ATTACHMENT, suitable for calipers with beam width (w) .630″, 6928640303579
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