Lincoln Electric Bloodshot Variable Shade Auto Darkening Welding Helmet OS

Inside Cover Lens. Outside Cover Lens. Adjustable ratcheting headband provides a custom fit. Lightweight yet tough polycarbonate shell provides protection while reducing fatigue. 3.82 in. x 1.73 in. viewing area lets you see the whole work space. Fast 1/25000 sec. switch time. Size: OS.