This listing is for a pack of four bolt on tailgate hinges. Ideal for trailers, trucks etc... Zinc plated steel construction for strength and corrosion protection. Bolt on design, no welding required. Approx 140mm by 60mm when assembled. Includes threaded backing plate for the tailboard side of the hinge. Includes M8 mounting bolts. 12mm tailgate pin is ideal for heavy duty applications.