Welding helmet lens cover is placed in the front of automatic variable dark lens to protect the lens.. Welding helmet lens cover is placed in the front of automatic variable dark lens to protect the lens.. Welding helmet lens cover is placed in the front of automatic variable dark lens to protect the lens.. Production Material:Made of polycarbonate material. The welding helmet lens cover can be used easily in practical life. Practical tools:With exquisite craftsmanship, light and practical lens cover can be used with confidence..
