Designed for optimal safety and performance, this hardened glass gold filter plate is a vital accessory for welding helmets. Measuring 4.5 inches by 5.25 inches, it features a rectangular design that is precision ground and edged to ensure a perfect fit, providing enhanced protection while you work. The gold shade 12 lens is not only optically correct but also effectively reflects harmful infrared rays, keeping the working environment cooler compared to traditional green filter plates. Manufactured by Best Welds, this filter plate is an essential component for those seeking to elevate their welding safety standards.