[NOT EASY TO BREAK] Antipressure drop, sturdy and not easy to break. Good helper in industrial working.. [OUTER OR INNER PROTECTIVE] Used for welding the outer or inner protective sheet of the cover Good protection.. [PROTECT THE LENS] Placed in the front of automatic variable dark lens, protect the lens.. [CONVENIENCY] Simple to use. Easy to replace. High-quality products, good use effect.. [SAFE AND DURABLE] Made of excellent polycarbonate, safe and durable, has a long service life..
