Rock Hard 4x4 Parts Rock Rack RH2004 Gloss Black powder coat;Inside measurements or 5 1/4 deep, 18 1/4 wide and 38 1/2 long;Made in the USA;Fits Rock Hard bumper only. Rock Hard 4x4 Parts Rock Hard 4x4 Parts Rear Bumper/Tire Carrier Rock Rack - RH2004 RH2004 Tire Carriers