Product Description The dependable step adjusts to four positions and features a strong no-slip surface. Rubber bumpers protect your tire from damage. When you are done, the truck service step folds flat for easy storage. From the Manufacturer Powerbuilt? Truck RV Service Step EASY TO USE Slip this HeavyDuty Truck Step over your vehicle tire, then reach your roof rack, engine bay, truck box, lumber rack, luggage, and bike without overreaching VERSATILE The universal and heightadjustable design means it will fit car tires, truck tires, RV tires, even semitruck tires we tested it, it fits perfectly with a cross width of 13 inches or less at the tread SAFETY The open design lets mud, slush, and debris pass through and the metal cheese grater surface with antislip tape strips offer incredible grip in the best and worst conditions EASY STORAGE The folding design makes it easy to stow behind a seat, in a truck box, or RV storage bin SIZE AND CAPACITY Platform is 834 inches x 2134 inches with a 300pound weight capacity Great for washing and waxing, loading roof racks, engine service and more Fits any diameter tire up to 12 deep Folds flat for compact storage 300 pound capacity