Features: Increase efficiency and save time with this Tube Expanding Set. Perfect for cutting, expanding coppers and aluminum tubes. Versatile and durable, this eccentric reamer is designed for cutting coppers, aluminum, and thin walled pipes with diameters ranging from 3mm to 28mm. Suitable for HVAC technicians, plumbers, and DIY enthusiasts, this tool is a must have for anyone working with coppers and aluminum tubes. Whether you're repairing air conditioners, refrigerators, or brake lines, this coppers tube expanding set is essential for cutting, expanding, tasks. The plastic carrying case ensures easy transportation, secure storage, and quick organization of the quality carbon steel and zinc alloy tools. Specifications: Material:Zinc Alloy Option Type:Metric Tube Expanding Tool,Imperial Tube Expanding Tool,Eccentric Tube Expanding Tool; Imperial Tube Expanding Tool Includes:3/8in,1/4in,5/8in,1/2 inch Metric Tube Expanding Tool Includes:19mm,3mm,5mm,16mm,10mm,6mm,8mm,12mm; Package Includes: 1set Tube Expanding Tool note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.