Some welding required. Wheel Diameter (in.): 6, Caster Type: Rigid, Wheel Type: Steel, Capacity (lbs.): 1,000, Wheel Width (in.): 2, Foot Brake: No, Mount Height (in.): 7 1/8, Overall Height (in.): 7 1/8, Top Plate Dimensions L x W (in.): 3 1/2 x 2 3/8, Casters (qty.): 1