3M 54305, Particulate Respirator 8110S, N95, 7000052065, 160 EA/Case 
Insize 4112-BD1004, INDIVIDUAL STEEL GAGE BLOCK, .1004″, grade AS-1, 6928640351648
$25.99
Made of alloy steel.
Meet ASME B89.1.9.
Supplied with manufacturer inspection certificate.
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