3M 06536, Scotch Steel Gray Masking Paper, 06536, 36 in x 1000 ft, 1 per case, 7000045443 
Insize 4112-C20, INDIVIDUAL STEEL GAGE BLOCK, 20″, grade AS-2, 6928640354144
$486.72
Made of alloy steel.
Meet ASME B89.1.9.
Supplied with manufacturer inspection certificate.
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