Duro Hf243 Tires The Duro Hf243 Tires are a well-liked tread style ideally suited for swamp adventures and dune climbing. Its sturdy build significantly minimizes the risk of punctures. The Hf243 serves as an excellent choice for snow tires. Features: Ideal performance in swampy mud, sand and snow Open paddle and knob pattern digs deep and prevents packing 2 to 4 ply construction (depending on size) For off highway use only