HIGH QUALITY: The welding helmet lens is made of excellent polycarbonate, safe and durable, not easy to damage, convenient to use, has a long service life. FEATURE: The welding protective lens has anti‑pressure drop, sturdy and not easy to break, good performance and high quality, is good helper in industrial working. GOOD PERFORMANCE: The welding helmet replacement lens are placed in the front of automatic variable dark lens, protect the lens, extended service life. APPLICATION: The welding helmet magnifying lens has a wide range use, suitable for welding the outer or inner protective sheet of the cover, is a good PRODUCT PARAMETER: The size of the welding cover lens are about 138 x 122 mm/5.4 x 4.8 inches, and the thickness is about 1 mm/0.04 inches. It is easy to replace, high quality, and good in use., Manufacturer: Fafeicy