This is a welding strong face shield designed to fully protect your face, including eyes, jaws, neck and fore head from injuries during welding.It has double lens, dark lens and clear lens, which is interchangeable during weldingactivities. The glass lens material provides full full protectionfrom welding radiation, slag splashes and metal debric. Suitable for argon arc welding, gas shielded welding, metal grinding and metal cutting operations.The shield is made from strong HDPE and ABS materials. This welding face shield is comfortable and easy to wear, it has adjustable knuckle, which made it a one-size-fits-all safety tool. it is light weight.The unique thing about this face shield is that the two lenses(dark and clear )can be changed when damaged by simply pressing the inner pin to free the lens.