This slide out truck bed tray has a 2200 lb capacity. 100 percent of the cargo tray length slides out for total access to your Cargo. Real Plywood deck with a laminated surface for strength and durability.22 Bearings total, 2 full complement double row, 18 single row permanently sealed ball bearings and 2 cam follower sealed needle bearings provide dependable lasting support for the cargo you haul in your CargoGlide. Powder Coated Industrial 4" high extruded 6061-t6 aluminum side rails with a slot style infinitely adjustable tie-down track around all three sides and includes 4 adjustable marine grade tie-down eyebolts to make securing cargo easy and versatile. Includes 8" high side extensions on the first four feet of the rails at the cab end, helps contain more cargo. Integrated 1.5-inch spacer for tailgate clearance. (Low profile version available.)this unit comes fully assembled for easy installation by either 2 people or an available national dealer Installer. Total Outside dimensions for this unit are 80" long and 49.25" Wide. The inside dimensions of the deck surface are 79" long and 48" wide. Total deck height is 6.25".this is a standard model and fits ford super-duty short bed - all cabs.