Huge 6-1/2" and 21" dia wheels transport balls and equipment over curbs, stairs, rocks, mud, and more! Knobby pneumatic tires provide sure-footed traction on a variety of surfaces. Heavy-duty ball-bearing casters deliver exceptional maneuverability. All-steel frame is welded for maximum strength and durability. Also features rugged powder-coat finish and rust-resistant, zinc-plated hardware. Some assembly required. 36"L x 24"W x 36"H; 63 lb.