Asphalt Mounting Kit, For Use With Product Type Parking Curbs and Speed Bumps with 4 Holes or Less, Includes (4) Spikes, Butyl Tape, Height 12-1/2 In., Installation Surface Asphalt, Length 5-3/8 In., Material Steel, Width 6 In., For Parking Curb Length 4 ft, 6 ft