Features: This tube expander fits for copper pipes in various diameter of 6, 8, 10, 12, 16, 18, 22mm. Precision CNC machined metal construction, wear resistant, rugged and durable. Flat and smooth surface effectively reduce the friction of copper tube insertion. Thickened metal handle wrapped with soft and non-slip plastic sheaths, greatly reduce hand fatigue. The pipe expanding die with rotation mechanism can be folded for easy carrying. Complete with a pipe deburring tool to quickly smoothen the inner wall of copper pipe. Specification: Condition: Brand New Item Type: Copper Pipe Expander + Copper Pipe Deburring Tool Copper Pipe Diameter: 1/4, 5/16, 3/8, 1/2, 5/8, 3/4, 7/8 inch (6, 8, 10, 12, 16, 18, 22mm) Instruction: 1. Internal start expanded tube on copper tube 2. The effect of the expansion tube is more round when using circular motion 3. Pipe expanding completed, copper pipe can butt welding Method to expand 6mm Copper Tube. All other model of copper tube may not need sharp-nose pliers. 1. After cutting the copper tube, use tool to make the mouth of the tube smooth. 2. Use sharp-nose pliers to expand the tube a little bit to make it easier to put into the expander. 3. When expanding the tube, please don't force it. Rotate the expander softly. Package List: 1 x Copper Pipe Expander 1 x Copper Pipe Deburring Tool