3M™ 53797, Flexible Diamond Belt 6451J, 1/2" Dia x 18" L, M125 Micron, Type G, Pattern B2, 7010509272 
Insize 4112-AD139, INDIVIDUAL STEEL GAGE BLOCK, .139″, grade 0, 6928640352959
$35.47
Made of alloy steel.
Meet ASME B89.1.9.
Supplied with manufacturer inspection certificate.
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