Speed Bump, Product Type Speed Bump, Height 2 1/4 in, Length 1 ft 7 1/2 in, Installation Method Bolts, Width 36 in, Color Black/Yellow, Installation Surface Asphalt, Concrete, Material Rubber, Number of Installation Holes 6, Includes Cable Channel No, Includes Zinc Plated Steel Washers, Lag Bolts, Plastic Shields, Tensile Strength 300 psi