Jackson Safety W40 Insight Variable Auto Darkening Welding Helmet, HaloX, Black (40713), 1 Unit This quality lens gives you a variable shade (9-13), wide viewing area (3.93" x 2.36"), sensitivity and delay adjustments, four (4) independent auto dimming sensors and easy-to-use digital controls Choose from grind and weld modes (use it for mig welding, tig welding and arc welding) on this value-centric welding mask (2 per order) Jackson Safety W40 INSIGHT Variable Auto Darkening Welding Helmet is compatible with the HLX100 and HSL 100 shells Gives you the compliance you're looking for, since it meets ANSI Z87.1+2010 standards and is CSA compliant The Auto Darkening Filter (ADF) enables welders to adapt to various working environments by controlling the shade of the lens, with adjustments for sensitivity from ambient lighting sources