Forney Easy Weld Black Matte ADF Welding Helmet

Lightweight, impact resistant, fireproof shell Quick-fit, 5-point adjustable geared headband (with sweatband) mechanism Two optical arc sensors help protect against the hazards of arc flash 1/1/1/2 optical clarity rating for a clear, crisp and uniform viewing area UV/IR coating to reduce scratching and discoloration of the lens External shade selector knob with grind option allows for quick shade modifications Internal switch controls include both sensitivity (high-low) and delay (min.-max.). DIN 9 to 13 variable shade selection (TIG operable to 5 amps) 1/25,000 per second switching speed Solar cells with non-replaceable 3V lithium batteries (CR2032) and automatic on/off technology