Heavy Duty Metal Construction. Black Powder Coated ΓÇô Durable, Scratch Resistant, UV Resistant. Extends bed length from 36ΓÇ¥ to 59ΓÇ¥. Capacity increase: 8.44 Cubic Ft. to 11.95 Cubic Ft. ΓÇô 41.6% Easy fold-out deployment extends bed length in seconds. Foldability allows the extender to lay flat on the tailgate. Folded flat height 2ΓÇ¥. Extends tailgate 9ΓÇ¥. Rear seats on 1000-5 are still usable with extender installed. Easy install. Haul extra gear with plenty of room for 75 QT. cooler!