General description This 2 PCS 4.10/3.50-4 Inch Inner Tube Tire set is designed for a variety of applications including hand trucks, dollies, garden carts, lawn mowers, wheelbarrows, and more. These replacement tubes are perfect for 4.10/3.50-4 inch tires, ensuring a reliable fit and performance. Technical specifications Size: 4.10/3.50-4 inch Maximum inflation: 30 PSI Material: Isobutylene isoprene rubber Ply Rating: 4 Valve type: Angled Stem TR87 Compatibility and accessories Compatible with various models including Baja Motorsports (DN65) Go-Kart, Bladez Comp series, Carter Turbo 2403, Evo series, Hoveround Teknique FWD, Bandit 104B, Dirt Grinder, PaceSaver models, Super Turbo models, Scoot 2X, Mini BMX, and Yerf-Dog models. Package includes: 2 Inner Tubes and 1 Crowbar. Installation Before installation, check the inner tubes for any damage by submerging them in water to ensure they are completely sealed. Inflate using a manual pump only. Usage Ideal for various wheel applications