Door Threshold, Surface Type Fluted Top, Mill Finish, Color Aluminum, Width 8 in, Height 1/2 in, Length 4 ft, Fits Door Width 48 in, Thickness 0.109 in, Material Aluminum, Standards ANSI/BHMA A 156.21, ANSI/BHMA, CAN/ULC S104, IBC, ICC/ANSI A 117.1, NFPA 252, NFPA 80, UL Listed, Yes, Includes #10 x 1-1/2 in FH Zinc Plated Wood Screws, UL Fire Rating UL10B, UL10C. This item has been restricted from sale in the following state (s): []