FOR 4.80/4.00-8 inch TIRES / WHEELS: Replacement tubes for 4.80/4.00-8 inch tires / wheels (15.5 inch outside diameter). Also measured 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 MADE FROM PREMIUM RUBBER, TO LAST: Made with premium-quality, heavy-duty rubber, these inner tubes are highly durable and Perfect , professional and commercial / industrial WITH A WIDE VARIETY OF EQUIPMENT: Usable with wheelbarrows, lawn mowers / tractors, hand trucks, garden / utility / flat carts, yard trailers, dollies, , wagons, generators, snow blowers, perssure washers, compressors, wood chippers and more 'T BUY A NEW TIRE - JUST REPLACE THE TUBE: No need to buy a new tire when you have a flat, simply replace the tube and you'll be back up and running 30 PSI maximum . Only inflate with manual pump to avoid overfilling. Not for road/highway Models for Reference 4.80/4.00-8 inch Tire. 15.5 inch Tire Diameter for 15.5 inch Pneumatic Tire / Wheels - for Hand Trucks, Dollies, Lawn Mowers, Wheelbarrows, Generators, Utility Carts with 16 inch Wheels. Mounts on an 8 inch rim. Color: Black Material: rubber Package Contents: 2 Pcs * 4.80/4.00-8 inch Inner Tubes Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.