Dynabrade 79440 4" Dia. x 5/8" Center Hole, 60 Grit, Type 29, Ceramic DynaCut Flap Disc, 10/pack 
Insize 4112-BD129, INDIVIDUAL STEEL GAGE BLOCK, .129″, grade AS-1, 6928640352669
$25.99
Made of alloy steel.
Meet ASME B89.1.9.
Supplied with manufacturer inspection certificate.
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