Function: 1 Superior material produces perfect quality and long service life 2. There is a convenient storage box that can store these tools and is easy to carry around. 3. Tube expander is suitable for 0.4 - 1.1 inches (10 - 28 mm) pipes 4. Can be used with copper pipe, aluminum pipe 5. Includes 7 expander heads for convenient replacement Specifications: Item Type: Manual Tube Expander Application Pipe: Copper Pipe, Aluminum Pipe Applicable Tube Specifications: 10-28mm Application: Extension Tube Thickness: 1.5mm/Tube Wall Need tempering Package List: 1 x Tube Expander 7x Expander Head 1x Tube Cutter 1x Trimmer