Features. H78-4 Original Hitch Pin.. With The Red Plastisol Coated Head.. Heavy Duty.. Made Of High Tensile Steel.. Heat Treated.. Includes Hairpin Clip.. Useable Length 4 in.. Shaft Diameter 78 in.. Size - 0.87 x 4 in.. Dimension - 7 x 3.75 x 1.75 in.. Item Weight - 1.4 lbs.