Rivco Steel Hitch Ball Features Increase your carrying capacity without towing a trailer Can be installed or removed in seconds with locking pins Special receiver bracket bolts on to any trailer hitch that uses standard ball and nut Accommodates small to medium size coolers and luggage Use bungee cords to secure your load Rated at 35 lbs. maximum but strong enough to hold 250 lbs. Must have a trailer hitch or a Rivco mounting system Zz69257