MSA V-Gard Hard Hat Visor Polycarbonate Shade 5 IR Moulded 10115861V Gard polycarbonate shaded visors are thick and molded to protect against damage from impact, elevated temperatures, weld spatter and infrared (IR) radiation. Ideal for autogenous welding, metal pouring, gas soldering and light cutting brazing, theyre engineered for heavy duty use. Suitable for applications where welding, cutting and brazing hazards exist. Special visors, called nitrometers, work with V Gard Retractable or Standard Chin Protectors