The Rock N Roller R10 Max Truck has a capacity of 500 pounds and easily handles DJ photo or video equipment drums keyboards and lighting systems. The rugged steel frame telescopes from 34" to 52" long with 32" folding sides. Pneumatic wheels offer ex cellent shock absorption protecting delicate equipment on rough surfaces. This convertible cart ingeniously changes shape and length for varying load sizes and folds small for storage. Specifically designed to meet the requirements of car and air tra vel Rock N Roller Multi-carts are the best-selling cart in the music industry.2-wheel hand truck formation has a long nose and stair climbers. 32 inch foldable sides rotate and lock into place easily. Perforated front axel reduces weight.5 x 1.25 inc h front swivel casters with soft thermoplastic tread for a smooth quiet ride. Replacement Pneumatic tires are available for purchas