10"×4.10/3.50-4 Flat Free Hand Truck Wheel Benefits 1. Using the flat free hand truck wheel, there is no need to deal with deflate or inflate tires. 2. Puncture free, microcellular polyurethane replaces the air in flat pneumatic tires. 3. Lightweight, it is easier to handle your equipment. 5. Long lasting - this tire could outlast the lifetime usage of your equipment. 6. The flat free hand truck wheel reduces costs and efforts spent replacing tires, and is shock absorbing. 7. It's ideal for trucks, trolleys, tool carts, barrows, lawn mowers and many other applications.