The answer for a pickup with a 5-1/2' or 6' bed. The 13K Autoslide will give you peace of mind not having to worry about cornering in tight spaces, getting in and out of the truck to pull a pin and manually slide the hitch! Come rain or shine the 13K Autoslide simply makes your life easier. 22-1/2" of travel to help get in and out of those tight spots2-3/4" of side to side travel to keep the back of your pin box from hitting bed rails for Tonneau-cover railsIndustry Standard Bed Rail MountingWrap around jaw with locking bar for a smoother, safer and more secure ride.No Locking plate requested for standard pin boxes, to activate slide mechanism3 vertical height adjustments to help you level truck and trailer5 year warrantyMade in the USA with American Steel* 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.