The Demco 21K Autoslide Ultra Series Above-Bed Mount makes towing easy. Just hook up and go. The 21K Above-Bed Mounting system makes getting in and out of those tight spaces a breeze. You'll not need to get in and out of the truck to pull a pin or manually slide the hitch. Frame brackets not included. Made in the USA.• Wraparound jaw with locking bar for a smoother, safer, and more secure ride• No locking plate required for standard pin boxes, to activate slide mechanism• Slides utilizing rack-and-pinion gear technology• UMS (or under bed) mounting system leaves the bed free and clear when you remove the hitch• Up to 14" of travel to help get in and out of those tight spots• Lower profile design• Lighter weight for easier hitch installation and removal• Easy access for routine maintenance• Three mounting systems to fit your needs• 3 vertical height adjustments to help you level truck and trailer• 21K towing capacity• 5-year warranty• Made in the USA with American steelNOTE: A locking plate is required with one of the following suspension pin boxes: Demco Glide Ride, MorRyde, RotoFlex, TrailAir Tri Glide, TrailAir Flexair, or 5th Airborne. This hitch may allow 90-degree turns, but NOT IN EVERY CASE. Wraparound jaw with locking bar for a smoother, safer, more secure ride 3 vertical height adjustments to help level truck & trailer 21K towing capacity & up to 14"" of travel | Demco 8550036 Autoslide 5th Wheel Hitch for Above Bed with Rails, 21K Made in USA