CURT 8 Inch Long Trailer Hitch Extension with Solid Shank for 2 Inch Receiver, 3,500 lbs Model 45791 6 3 4 In. Drop This A20 5th wheel hitch SL15 L325 This A20 5th wheel hitch also comes with a set of CURT OEM puck system 5th wheel legs designed to be mounted on select Chevrolet or GMC long bed pickup trucks with the truck bed puck system (year range specific) Durable construction with 4 slots Hitch extensions are simply receiver tubes that insert into your trailer hitch to add a certain amount of clearance for your vehicle's bumper or spare tire mounted on the back CURT 8 Inch Long Trailer Hitch Extension with Solid Shank for 2 Inch Receiver