The Magnifying Welding Lens is a versatile and essential tool for welders. It is specifically designed for compatibility with all 2x4.25inch welding helmets. Made with high-quality optical glass, this lens offers excellent eye protection, preventing eye strain, glare, and harmful UV rays. By effectively blocking harmful light, it helps to prevent welder's flash and reduces the risk of developing arc eye diseases. With its compact size and reliable performance, the Magnifying Welding Lens is a must-have accessory for any welder.