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.