Face Shield Bracket, Color Blue, Dielectric Protection Yes, For Use With Most Hard Hats and Faceshields, Includes Rubber Tube on the Back of the Bracket for Attaching the Bracket to a Hard Hat, Material Nylon, Standards ANSI Z87+ High Impact When Used with Crew Visor, Compatible with Brand MCR Safety, Compatible with Manufacturer Model Number 101640, 181540, 181640