【Perfect Fit】 Perfect fit for 4.80/4.00-8" Tires. The replacement inner tubes fit for 4.80/4.00-8" tires/wheels (15.5" outside diameter). Also called as 4.80 4.00-8, 4.8 4.0-8, 480/400-8, 4.80-8, 4.8-4-8, 480 400-8, 4.8/4.0-8, 4.00/4.80, 4.80-4.00-8" inch., 【Heavy Duty Tube】 Made from premium-quality, heavy-duty rubber and so are better in air tightness and aging resistance. These inner tubes are durable and ideal for home, professional and commercial or industrial use., 【Great Compatibility】 This inner tube could match with various equipement such as wheelbarrows, lawn mowers and tractors, hand trucks, garden carts, utility carts, flat carts, yard trailers, dollies, trolleys, wagons, generators, snow blowers, perssure washers, air compressors, wood chippers and more., 【Saving Cost】 NO NEED TO BUY A NEW WHOLE TIRE. When the old 4.80 4.00-8/480/400-8 tire have a flat, just simply replace the 4.80/4.00-8" tube and continue to use it normally!, 【Please Note】 NOT for road/highway use. 30 PSI maximum inflation. Only inflate with manual pump to avoid overfilling.