Gross Trailer Weight (LB): 18000 PoundsHitch Mount Fixed: NoVertical Adjustment Option: YesInstallation Position: Above Bed MountColor: BlackMaterial: SteelFeaturesWrap Around Jaw With Locking Bar For A Smoother, Safer And More Secure Ride. Patent PendingNo Locking Plate Required For Standard Pin Boxes, To Activate Slide MechanismLower Profile DesignEasy Access For Routine MaintenanceThree Mounting Systems To Fit Your Needs3 Vertical Height Adjustments To Help You Level Truck And Trailer18000 Pound Towing CapacitySlides Utilizing Rack And Pinion Gear Technology UMS (Or Under Bed) Mounting System Leaves The Bed Free And Clear When You Remove The HitchLighter Weight For Easier Hitch Installation And RemovalLimited 5 Year Warranty