General description These 2-Piece 4.80/4.00-8 Inner Tubes are made of high-quality, heavy-duty rubber, ensuring durability for home, business, and commercial use. They are designed to fit various applications including wheelbarrows, strollers, hand trucks, lawn mowers, snow blowers, and generators. Technical specifications Size: 4.80/4.00-8 Outer Diameter: 15.5 inches Rim Size: 8 inches Max Inflation: 30 PSI Installation Inspect the tire for any nails, glass, thorns, or debris before installation. Wipe the inside of the tire casing with a cloth and feel for any sharp objects. Be cautious when using a tire lever to avoid puncturing the tube. Check both sides of the tire for the bead seat and ensure the tube is properly seated. Usage Inflate only with a hand pump to prevent over-inflation. Not designed for road or highway use. Other information Universal causes of tire and tube failure include punctures from thorns or nails, rim pinches, and cuts or tears. Inspect for air leaks by