The Vevor 10" solid PU run-flat tire wheel set is designed as a flat-free replacement solution for hand trucks, utility carts, dollies, garden trailers, and other transport equipment. Each wheel supports up to 400 lbs dynamic load and 450 lbs static load, with durable PU construction and sturdy metal hubs. Deep tread patterns and extra-wide tires help provide reliable traction on rough terrain. Dual-sealed bearing shafts help keep operation smooth while reducing exposure to dust and water. This 2-pack is built for easy installation and long-lasting use.