Click to expand Tap to zoom PROMAX 500 CLEAR INNER LENS 105 X 92MM by QWS - Welding Supply Solutions Save $-6.15 $6.15 / each | / PN WC-05322 - + Quantity Add to cart WC-05322 Weldclass PROMAX 500 Replacement Inner Lenses designed to suit WC-05317 Weldclass PROMAX Black 500 welding helmet. 105mm x 92mm & made from high-quality impact resistant material.