3M 28473, Roloc D/F Cool Running Disc Pad TR, 4 in x 5/8-11 Internal, FIN, 7000144107 
Insize 4745-1120, 45? SQUARE, 4.7×3.1″, 6928640318092
$39.42
Made of hardened stainless steel.
4.7″ x 3.1″
45 Degree Square
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