Ramp, For Use With 3 ft Door Width, Aluminum Mill Finish, Material Aluminum, Width 6 in, Length 36 in, Height 1/2 in, Surface Type Fluted, Standards , ANSI/BHMA Certified A156.21, UL Classified UL10C, Includes #10 x 1-1/2 in FH Zinc Plated Wood Screws