4.10 3.50-4 inch Inner Tube works with hand trucks, dollies, garden cart, garden wagon, lawn cart, utility cart, flat carts, lawn mowers, small , wheelbarrows, yard trailers, Trolley Carts, wagons, generators, snow blowers and most 410/350-4 Wheel Applications Perfect fit for 4.10/3.50-4 inch TIRES / WHEELS: Replacement 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 in inch This inner tube is made of isobutylene isoprene rubber, which is better in air tightness, elastic damping and aging resistance than natural rubber. NOT recap Heavy duty inner tube with TR87 bent valve stem, Maximum inflation is 30 PSI. Inflate with manual pump only CUSTOMER SATISFACTION: Before installing, check to see if the inner tubes are completely sealed by putting them in water, if there are any , they are already damaged. Feature: Inflatable Valve: Angled Stem