2.5 and 3 inch shank;Built in Scale for measureing Tongue Weight;2,200 LBS Max Tongue Weight;Slider Rack for the Weigh Safe Hitch- 2.5 and 3 inch receiver models;Constructed of solid billet 6061 T6 Aluminum;California Residents: WARNING Weigh Safe, LLC is a family-owned and operated company based out of Utah. Weigh Safe, LLC is committed to providing state-of-the-art equipment and tools for your family's enjoyment and benefit now and in the future. Weigh Safe is part of the family of companies that make up Leap Innovations.