The Reed Mfg 03142 H8I Hinged Pipe Cutters are designed for cutting 6" to 8" diameter pipes made of cast iron or ductile iron. With a sturdy construction and reliable performance, these cutters feature a hinged design for easy handling and maneuverability. The model H8I is known for its durability and efficiency in various industrial and commercial applications. Always remember to follow safety guidelines and regulations, especially in California with the provided Prop 65 warning.