Crush Resistance: These lenses are very resistant to compression and drops, they are sturdy and not easily damaged, making them ideal for industrial welding jobs.
Lens Protector: These spare lenses are used to replace broken or worn lenses and ensure the lens by placing them in front of the auto darkening lens.
PC Material: Made of polycarbonate, these lenses feature high strength and modulus of elasticity, high impact strength, good fatigue resistance, good dimensional stability, and high transparency.
Outer and Inner Lens Sets: There are 3PCS circular outer screen and 2PCS inner screen in the set, which can meet your needs, and you can use them by yourself.
Sturdy and Durable: Polycarbonate also has good safety and durability, and lenses made of it have a long service life.