Molded plastic headgear and chin-guard provides greater protection from splashes, dust and other contaminants. Ratchet headgear allows for maximum comfort with simple turn of the knob for adjustment. Other features include: high impact spark guard, easy keyhole window mounting and anti-warp design. A 7" X 19" clear .040 window is included. Complies with ANSI Z87.1-1989 Standards. Sold individually.