3M 87429, Final Finishing Pads 10199NA4PK, 3 3/4 in x 6 in x 5/8 in, Replaces 0000 Steel Wool, 7100096075, 4 pads per pack 
Insize 4112-BD126, INDIVIDUAL STEEL GAGE BLOCK, .126″, grade AS-1, 6928640352577
$26.25
Made of alloy steel.
Meet ASME B89.1.9.
Supplied with manufacturer inspection certificate.
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