Feature 1Fitment: The 4.10 3.506 tire inner tube with TTR87 metal bend valve is suitable for 4 Inch rims with 3.54.1in width, replacement for wheelbarrows, garden and utility carts, lawn mowers, tractors. 2Shock Absorption: The high impact damping effect ensures that whether you are riding on the bumpy and sunken sections can be driven normally. 3Explosion Proof: Made with thick and shock absorbent rubber, these inner tubes prevent explosive punctures with their self sealing properties. 4Rubber Material: Made of premium rubber, the internal structure is stable, and has strong flexibility, which can fully meet the international standard air pressure. 5Practical: 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.Item Type:TireInnerTubesMaterial: Rubber, metal .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Tube Size:4.10/3.50-4Tube Valve Stem:TTR87 metalbendvalveApplication: Suitable for 4 inch rims with 3.54.1in widthFitment:Replacement for wheel barrows, garden and utility carts, lawn mowers, tractors, hand trucks, trailers, dollies, trolleys, wagons, generators, snow blowers, pressure washers, air compressors, wood chippers and morePackage List2 x 4.103.504InnerTubeNoteOnly hand pump can be used to inflate to avoid overfilling.Not suitable for highways.