General description Pack of 2 inner tubes designed for various applications including hand trucks, lawn mowers, garden trailers, and wheelbarrows. The package includes 2 extra dust caps, totaling 4 pieces for added convenience. These inner tubes feature a durable and long-lasting TR87 bent metal valve stem, ensuring easy inflation and reliable performance. Technical specifications Size: 4.00/3.50-6, 350/400-6, 3.50-6, 4.00-6, 4.10-6 Valve type: TR87 bent valve stem Other information Safety package included to maintain product condition during shipping.