Possibly the most versatile ESS loupe frame is the Crowbar. Offering the standard military-grade polycarbonate lens for superior ballistic protection
This Ess Crowbar loupe frame is compliant with U.S. MIL SPEC MIL-PRF-32432, ANSI Z87.1-2010, CE EN 166 and U.S. Federal OSHA. All ESS lenses provide 100% UVA/UVB protection.
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