This pneumatic tire is the perfect replacement for wagons, hand trucks and yard trailers. (Does not fit Gator Carts). The tire features a heavy duty steel hub with a powder coat finish for durability and a knobby all-terrain tread for lawn and garden applications. This quality rubber tire is a great backup for any landscaper or gardener. Not for highway use. Color Black Hub material Steel Material Steel hub Maximum Working load (lbs.) 300 lb. Quantity 1 Tread pattern Knobby All-terrain Working pressure (psi) 30 PSI Axle Bore 5/8 in. Product Width 4 in. Shipping Weight 5.25 lb. Tire size (in.) 13 in.