hitch & tow enjoy easier towing with weight distribution and sway control hitch ball sold separately the blue ox trackpro weight distributing hitch is designed to distribute the trailer tongue weight evenly to the tow vehicle and to prevent sway prevention is provided by a caster in the blue ox sway pro hitch head sway control uses rigid l-brackets that deliver additional points of friction trackpro provides a premium ride through the tapered spring steel bars that augment the suspension of the trailer and the tow vehicle trutrack is an advanced weight distribution system that integrates the weight distributing with integrated sway control to deliver the smoothest automotive-style friction material tames sway with no chains to adjust reese hitch & tow see page 223 for details | catalog & internet only