Saddle Threshold, Surface Type Fluted Top, Aluminum Mill Finish, Color Gray, Width 5 in, Height 1/2 in, Length 6 ft, Fits Door Width 72 in, Material Aluminum, Standards ANSI/BHMA A156.21-2006, UL 10C, , Includes #10 Stainless Steel Screws and Expansion Shields, UL Fire Rating UL10C