PRODUCT CODE: SKU: . WH001PAN • Independent arc sensors with adjustable sensitivity and delay controls • Safer and more comfortable with auto darkening window • Lens auto – darkens in 1/ 10,000 of a second • Grind protection against high speed particles (EN 175B) • Extended throat guard for more protection • External knob dark shade adjustment from 3# Shade 4 to Shade 12, Light shade # 3 • True color – Technology allows a realistic color perception and enhances color • Extra-large viewing Area