3M 45094, Roloc Disc Pad TR, Soft 2 in 1/4-20 Internal, 7000045278 
Insize 6898-100, MAGNETIC RECTANGULAR BLOCKS, 3.9×2.8×2.8″, pair, 6928640320958
$925.78
For grinding, light milling, drilling and inspection of round and square jobs.
Hardened, high accuracy, strong magnetic force.
Working surfaces are hardened to HRC58-62.
Magnetic force on top, bottom and back sides.
Supplied in matched pair.
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