Saddle Threshold Surface Type Smooth Top Aluminum Finish Color Silver Width 2 1/2 in Height 1/4 in Length 4 ft Fits Door Width 48 in Thickness 0.125 in Material Aluminum Standards ANSI/BHMA Certified A156.21 ADA Compliant Includes #10 x 1-1/2 in FH Stainless Steel Wood Screws