1000 lb. capacity. 100% of the Cargo Tray Length Slides Out for Total Access to your Cargo. Real plywood deck with a TPO rubber laminated surface for strength and durability. 20 Industrial Cam Follower Needle and Ball Bearings provide Dependable Lasting support for the Cargo You Haul in Your CargoGlide. Powder Coated Industrial 4" high extruded 6061-T6 Thick Aluminum Side Rails with integrated Full Perimeter Tie-Down Tracks and 4 Infinitely Adjustable Eyebolt Tie-Downs 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. The OUTSIDE dimensions for this unit are 65" long and 49.25" wide. The INSIDE dimensions of the deck size are 64" long and 48" wide. Total Deck Height is 3 3/4". This is a standard model and fits most Super Short Beds (5.5'-5.75') fits Silverado/Sierra (5.5' bed), Ford Super Crew and Raptor beds, Ram (5.7' bed), Titan (5.5' bed) and (2015-2016) Toyota Tundra Crew Max (6.5' bed).