3M 82191, Center Water Feed Disc Hand Pad Replacement Sponge, 7/8 in, 7000000581 
Insize 4799-180, PROTRACTOR, 3.1×4.7″, 0-180?, 6928640317392
$35.08
Graduation 1?
Made of stainless steel
Satin chrome plated scale.
With clamping screw.
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