Door Ramp, For Use With 3 ft Door Width, Unfinished Finish, Material Aluminum Alloy, Width 6 in, Length 36 in, Height 1/2 in, Surface Type Fluted, Standards ANSI/BHMA A156.21, CAN/ULC S104, ICC/ANSI A117.1, NFPA 252, NFPA 80, UL Listed, Includes #10 x...