ARIES 2556024 AdvantEDGE Black Aluminum 91-Inch Truck Running Boards for Select Ford F-250, F-350, F-450 Super Duty Ball They feature a bolt-on mounting Size:5 on 5.5" Includes 2 separate extensions B35-3014 cover

ARIES 2556024 AdvantEDGE Black Aluminum 91 Inch Truck Running Boards for Select Ford F 250, F 350, F 450 Super Duty Ball They feature a bolt on mounting Size:5 on 5.5" Includes 2 separate extensions B35 3014 cover They feature a bolt on mounting system for secure attachment to your trailer and include all necessary installation hardware Fits A frame trailer tongues and 2" trailer balls Passes SAE 684 performance testing as a class 4 coupler Solid neck for increased strength and greater corrosion resistance Sleeve lock latch system for a more secure mount Features holes to accept a safety pin or coupler lock Constructed from high strength steel Protected by a durable carbide black powder coat finish Limited lifetime warranty (one year finish