1).Applications: arc welding, carbon arc gouging and plasma cutting, used to protect the welder's eyes and face against arc radiation and welding spatter 2).Made of durable injection-molded thermoplastic resin 3).Lightest weight full featured helmet in its class 4)Extended throat and neck protection against sparks, slag and harmful IR/UV rays 5)Positive detent locks helmet in up position until you are ready for welding 6)Available with adjust-o-lock headgear or cap mounting blades in any color 7) Easily adjustable head gear for max. comfort and viewing area 8).GradeA and grade B avaliable