Convert-A-Ball Chrome 1 - inch Extra Long Shank with 1-7/8 - inch and 2 - inch Balls. Convenient to change sizes, without tools, in seconds. Economical standard ball and shank lets you use ball units on more than one vehicle. Safety Engineered and tested to load classifications. Patented locking system assures proper connection. Features 10,000 pounds maximum load chrome plated solid steel construction cotter pin and safety hole drilled meet and exceed National Standard SAE-J684-E for Ball Hitches V-5 rated.