Arnold 15.5-Inch Wheelbarrow Wheel with Knobby Treat 480-400-Inch x 8-Inch 480/400 x 8", 15.5" pneumatic tire 3" hub length and 5/8" ball bearing Tubeless tire with a knobby tread 500 lb. load rating Replacement wheelbarrow wheel Fits wheelbarrows of correct size Tubeless tire features knobby tread for traction 480/400 x 8", 15.5" pneumatic tire 5/8" ball bearing, 3" hub length, and 500 lb. load rating