The Weigh Safe True Tow Standard Ball Mount Adapter Kit allows easy conversion between your True Tow Weight Distribution Hitch and a regular adjustable ball mount. The steel Weigh Safe Slider features a built-in gauge that measures your tongue weight. This kit comes with 2" and 2-5/16" stainless steel tow balls, ball retaining pin, and steel Weigh Safe Slider. Includes 2"" & 2-5/16"" stainless steel tow balls, retaining pin, & steel slider | Weigh Safe LLC Weigh Safe True Tow Standard Ball Mount Adapter Kit, SWS09