When you've got a flat tire, turn to this 4-pack of Gorilla Carts Gct-13NF 13-Inch No-Flat Replacement Tires. With versatility, a durable construction, and a 300-pound weight capacity per wheel, you will be able to take on any job, anywhere.Switch out your cart's wheels on hand trucks, air compressors, garden carts, lawn carts, wagons, and more. Made of solid polyurethane, these long-lasting tires have an offset wheel hub and boast a combined weight capacity of 600 pounds, giving you the flexibility to haul a wide variety of materials. These wheelbarrow tires are a perfect replacement for pneumatic tires and are compatible with many Gorilla Cart models.