Featuring a rear-wheel assembly to keep heavy loads from tipping, the Model 450 is an essential companion for any professionals in the field. The unique rear wheels take the weight off your back while pulling bulky items and they fold up flush for storage in seconds. 250lb load capacity. SPECIFICATIONS Capacity: 250lbs Wheels: 6inches Open: 43"H x 17.5"W x 22"D Closed: 25.5"H x 17.5"W x 7"D Load Tray Size: 14.25"W x 14"D Wheelbase: 17 inches Weight: 15 lbs Warranty: Limited Lifetime