The Skullerz 8991 Safety Helmet Visor is designed to increase eye and face protection for those using a Skullerz Safety Helmet (8974, 8974LED, 8975, 8975LED). The visor features a UV protective z87 lens with a permanent anti-fog and a scratch-resistant hard coat tested to EN166. SAFETY HELMET COMPATIBLE This visor is designed to be an accessory attachment to the Skullerz Safety Helmet (8974, 8974LED, 8975, 8975LED). Use the included attachment hardware to seamlessly integrate into a dedicated mounting location on the Safety Helmet. LENS DESIGN The visor lens features a permanent Fog-Off anti-fog that wont wash or rub off for clear viewing no matter the job”particularly useful for those working with dust masks or in extreme temperature change. TESTED & APPROVED This impact-resistant safety visor is tested to EN166 Anti-Fog, EN166 Scratch Resistance, ANSI Z87.1+ High-Velocity Impact Protection and optical requirements and MIL-PRF-32432A Ballistic Fragmentation, Class 1.