The REESE Towpower InterLock security kit provides you with everything you need to tow. Included is an InterLock, 3-1/4 In. drop ball mount with pre-torqued InterLock 2 In. hitch ball, and a 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 Lb. gross towing weight capacity, and a 500 Lb. tongue weight capacity.