4.10 3.50-4 inch inner tube works with hand trucks, carts, garden carts, yard carts, lawn carts, utility carts, flatbed carts, lawn mowers, small tractors, wheelbarrows, garden trailers, dollies, carts, generators, snow blowers and most 410/350-4 wheel applications Fit for 4.10/3.50-4 inch tires/wheels: Replacement inner tubes for 4.10/3.50-4 tires/wheels (10 inch outside diameter). Also measured as 4.10 3.50-4, 410/350-4, 3.5-4 4, 4.1/3.5 4, 4.10 3.50 4, 4.10 3.50-4, 4.10/3.50-4, 4.10/3.50-4 inch, 4.10x3.50 -4 inch This inner tube is made of isobutylene isoprene rubber, has better air tightness, elastic damping and aging resistance than natural rubber. NOT summarize CUSTOMER SATISFACTION: installation, check if the inner tubes are completely sealed by putting them in the , if there are bubbles, are already damaged. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual