Threshold Surface Type Smooth/Fluted Top Aluminum Mill Finish Color Silver Width 5 in Height 7/8 in Length 3 ft Fits Door Width 36 in Thickness 0.105 in Material Aluminum Insert Material Vinyl Insert Color Gray Standards ANSI/BHMA Certified A156.21 UL Classified UL10C ADA Compliant Includes #10 x 1-1/2 in FH Zinc Plated Wood Screws