Adjustable: These assembled face shields come with a ratchet headgear suspension with a twist knob allowing easy customization of height and fit; The convenient system gives you flexibility to handle various types of grinding, brazing, cutting operations
Material: Providing wraparound protection for tough working conditions, this premium clear, anti-fog coating, polycarbonate window curves naturally to fit facial contours ensuring reliable protection from chemical splashes, particles and flying debris
Assembly: Includes spring mounted Shade 6 IR flip front for oxy/acetylene welding of aluminum and cast iron, in metal and glass furnace foundry work; Diffuses orange glow associated with sodium in molten metal and glass