5/8" x 4", H58-4, The Original Hitch Pin, With The Red Plastisol Coated Head, Heavy Duty, Made Of High Tensile Steel, Heat Treated, Includes Hairpin Clip, Useable Length 4", Shaft Diameter 5/8".
7/16x1-11/16Farm Clevis
5/16x1-1/4 Farm Clevis