MASK FOR PROTECTION; TYPE: WELDING HELMET ADAPTABLE TO HELMET; MATERIAL: HIGH DENSITY POLYPROPYLENE; RESISTANT TO INCANDESCENT SHIPS, IMPACT AND ELECTRIC ARCS; FILTER FOR UV RAYS; LIFTABLE VISOR; INCLUDES LIGHT GLASS AND DARK GLASS G-11; WEIGHT: 550 GRS; STANDARD: ANSI Z87.1-2010; MODEL: OPTECH