General description Premium 4.10/3.50-6 or 4.00-6 replacement inner tube designed for various applications including wheelbarrows, lawn mowers, hand trucks, trailers, dollies, wagons, generators, snow blowers, pressure washers, and wood chippers. This heavy-duty inner tube is made from isobutylene isoprene rubber, which offers superior air tightness, elastic damping, and aging resistance compared to natural rubber. Please ensure to check the size of your equipment's existing tire/tube for compatibility. Technical specifications Size: 4.10/3.50-6 or 4.00-6 Valve: TR87 bent metal Material: Isobutylene isoprene rubber Measurement allowed error: +/- 1-3 cm Installation Easy to install Usage Not for highway use Other information Package Contents: 2 * Inner Tube Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.