Brass Knuckle Spectrum (BKFLEX-4040N) eye protection has options to fight fog no matter where work has to get done. This powerful ANSI Z87.1+ protection weighs less than one ounce, and the rimless lenses are manufactured with exclusive BK-Anti-FOG protection. Temperature changes, humidity, sweat, rain and moisture all contribute to lens fog. Spectrum Clear Lens allows maximum light transmission, indoors or out, without changing or distorting vision or colors (91% of light passes through). Spectrum Smoke Lens provides all-over tint for normal outdoor conditions (18% of light passes through). Amber, blue and mirrored lenses are also available.
BK-Anti-FOG lens protection lasts 15 times longer than EN 166/168 standards. BK-Anti-FOG is extreme anti-fog performance that improves both worker safety and productivity. The special coating is permanently bonded directly onto the lens surface and will not wear off or wash off. Glasses retain fog-fighting properties for a longer duration with no reapplication and no maintenance needed. Spectrum lenses are also anti-scratch, anti-static and UV protected.
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