3M 28385, Square/Cross Pad Mandrel 28385, 1/4 in 3-48 external, 7010362491 
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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Insize 4702-1, SQUARE SET, includes 4794-025, 4794-040, 4790-075 and 4700-100, 6928640318467
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