The Reese Towpower Security Kit provides you with everything you need to tow. Included is an interlock 3-1/4 inch drop ball mount with pre-torqued interlock 2-inch hitch ball and a barrel style bent pin ball mount lock. Simply place the draw bar in the hitch receiver tube and secure with the lock and you re ready to go. It has a 5 000 pound gross towing weight capacity and a 500 pound tongue weight capacity.