Versatile and, this eccentric reamer is designed for cutting coppers, aluminum, and thin walled pipes with diameters ranging from 3mm to 28mm Whether you ' re repairing air conditioners, refrigerators, or brake lines, this coppers tube expanding set is essential for cutting, expanding, tasks Increase efficiency and save time with this Tube Expanding Set Perfect for cutting, expanding coppers and aluminum tubes The carrying case ensures easy transportation, secure storage, and quick organization of the carbon steel and zinc alloy tools Suitable for HVAC technicians, plumbers, and enthusiasts, this tool is a must have for anyone working with coppers and aluminum tubes, Manufacturer: Msioytog