3M 07054, General Purpose Sanding Sponge CP041-12-CC, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Medium, 7100101246 
3M 14308, AB14308, Square/Cross Pad Mandrel, 1/4 in 1/4-20 External, 7000045662 
Insize 4141-250, GRANITE SQUARE, 9.8×6.3″, 6928640320477
$495.63
9.8″ x 6.3″
.984″ Thick
Hole in Center of Square
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