PRODUCT PARAMETERS: Measuring approximately 138 x 122 mm/5.4 x 4.8 inches in size and with a thickness of about 1 mm/0.04 inches, our Welding Protective Lens Replacement is easy to replace and guarantees a high-quality performance. MATERIAL: Our Welding Protective Lens Replacement is made of polycarbonate material, ensuring safety, durability, and resistance to damage. Its excellent quality guarantees a long service life for your welding helmet. ENHANCED PROTECTION: Designed with anti-pressure drop technology, our Welding Protective Lens Replacement is incredibly sturdy and resistant to breakage. With its high-performance features, it provides reliable protection during industrial work, making it an essential tool for professionals. EXTENDED LENS LIFE: The Welding Protective Lens Replacement is specifically designed to be placed in front of the automatic variable dark lens. By acting as a shield, it effectively protects the lens, resulting in an extended lifespan and reduced replacement costs. VERSATILE APPLICATION: Our Welding Protective Lens Replacement can be used for welding both the outer and inner protective sheets of the cover. It offers versatile protection and ensures a safe working environment, making it an ideal choice for various welding tasks., Manufacturer: OTOTEC