Ahlsen - 2-piece air chamber 4.00-8 with straight valve, for wheelbarrow, stroller, sack barrow, lawn mower, snow blower, generator and more,

2 Pack 4.00-8 Inner Tubes Made from high quality and durable rubber, these tubes are very durable and ideal for home, professional and commercial, industrial use. 18.5" tire diameter to fit 18.5" pneumatic tires/wheels - perfect for sack trucks, carts, lawn mowers, wheelbarrows, generators, utility carts. Inflate with a hand pump only to avoid over-inflating. Not designed for street or highway use. Universal Causes of Tire and Tube Damage: A single puncture or small hole is usually caused by a thorn, wire or small nail. These may be repairable.