CURT 48 x 20 Inch Basket Hitch Cargo Carrier, 500 lbs Capacity, Black Steel, 1 1 4, 2 In Adapter Shank Model 18145 Hard Folding 1 Series Black Aluminum Cargo Headache Rack Rear Ladder Rack Gull Wing Box Options:Gull Wing Box W Post Headache Rack Only 1 Series Black Aluminum Cargo Rack System Mercedes Sprinter 2007 current High Roof 144" WB Model H3010DD03B Outside braces fold down for low clearance parking (For both) This particular basket cargo carrier features a 1 1 4" x 1 1 4" shank with a 2" x 2" adapter sleeve to be able to fit most receiver type trailer hitches Whether you prefer the hitch mounted carrier or the roof rack option