Feature: 1. Shock Absorption: The high impact damping effect ensures that whether you are riding on the road or on the bumpy and sunken sections can be driven normally. 2. Parameter: The 4.80 4.00‑8 tube tyre fits for 15.5 inch outside diameter lawn mowers, tractors, hand trucks, wheelbarrows, garden, utility, flat carts. 3. Explosion Proof: Made with thick and shock absorbent rubber, these inner tubes prevent explosive punctures with their self sealing properties. 4. Rubber Material: Made of premium rubber, the internal structure is stable, and has strong flexibility, which can fully meet the international standard air pressure. 5. Practical: This rubber inner tube is ready for any possible puncture and is suitable for both front and rear tires with suitable size, and easy to install. Specification: Item Type: Inner TubeMaterial: Rubber, metalStem: Straight metal stem.Fitment: Suitable for tubes with 4.80 4.00‑8in tires or wheels (15.5 inch outside diameter) lawn mowers, tractors, hand trucks, wheelbarrows, garden, utilit flat carts, yard trailers, dollies, trolleys, wagons, generators, snow blowers, perssure washers, air compressors, wood chippers and more Package List: 2 x 4.00-8 Inner Tube Note: The maximum air pressure is 30PSI and only uses a hand pump to inflate. Not suitable for highway use.