GOOD DESIGN: Ergonomic engineering designed handle with coarse surface, comfortable to hold and anti-slip.: Tube Expander is made of heavy duty stainless steel, solid and sturdy, ensuring durability and longevity.APPLICATIONS: This tool can be use to expand copper pipe with diameter between 6-22mm.Hinge design to avoid swing of handle, ensuring stable operation.EASY TO USE: an simple but effective hand tool for air conditioner maintenance and repairing.Made of heavy duty stainless steel, solid and sturdy, can be used for a long timeAnti-slip handle, easy to hold. Hinge design to avoid swing of handle, ensuring stable operation.Greatly shrink the size of the entire tool, more suitable for narrow space construction, suitable for one-handed operation, greatly improved flexibility.This copper pipe tube expander can be use to expand copper pipe with diameter between 6-22mm. Effective hand tool for air conditioner maintenance and repairingColor: silverScope of application: 6mm-22mmProduct material: zinc iron alloyApplicable material: copper tube/aluminum tubeWeight: about 360gPackage includes: 5pcs*Deburring Tool