Roughneck Stair Climber Hand Truck - 550-Lb. Capacity, Solid Rubber Tires 6in.H x 1.5in.W solid rubber climber tires never need inflating Flow-back handle is flexible to help you handle the load from almost any angle 51.5in. height and 21.2in. width are ideal for use on stairways 14in.W x 7.5in.D toe plate securely handles the load