Threshold, Surface Type Fluted Top, Aluminum Mill Finish, Color Silver, Width 5 1/2 in, Height 1/2 in, Length 6 ft, Fits Door Width 36 in, Thickness 0.125 in, Material Aluminum, Standards ANSI/BHMA Certified A156.21, UL Classified UL10C, , Includes #10 x 1-1/2 in FH Zinc Plated Wood Screws