Solar Auto-Darkening Welder Mask is a must-have tool for welding professionals and DIY enthusiasts. Made from durable polypropylene, this welder mask provides excellent protection against welding sparks and UV rays. Large viewing area for better visibility. PP shell, anti weld slag and Arclight. Reduces eye strain. Sponge lining on the forehead. Rotating knob to control the speed of shade switching. Its Used For electro welding, argon arc welding, gas shielded arc welding, and any other tin soldering than laser soldering.