3M 28385, Square/Cross Pad Mandrel 28385, 1/4 in 3-48 external, 7010362491 
3M 77197, Scotch-Brite™ Roloc™ Deburr and Finish PRO Unitized Wheel,TR, 3 in x 1/8 in x NH, 8C CRS+, 7100109130, 40/box 
Insize 4144-315, GRANITE SQUARE, 12.4×12.4″, 6928640320538
$1,315.31
12.4″ x 12.4″
1.575″ Thick
4 Holes in Square
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Insize 4702-1, SQUARE SET, includes 4794-025, 4794-040, 4790-075 and 4700-100, 6928640318467
$194.09
