Had to drill this to fit into my truck's receiver. There's still 7/16" behind the pin at the thinnest point. Solid 2x2 stock. Pin is 5/8", shackle's 3/4", strap's rated for 27,000lbs, truck is 9,200lbs, plus 1,000lb plow, plus 190lb frenchman, plus, plus, plus. The lower one I bought today...