Feature:1. 45# STEEL + ALUMINUM ALLOY: This expander is made of high quality 45# steel + aluminum alloy material, which is durable and has long service life2. WIDE APPLICATION: This pipe expander can be widely used for copper and aluminum pipes, suitable for construction sites, water pipe repairs, households, etc.3. MEET YOUR NEEDS: This manual expander tool kit includes expanders, cutters and trimmers, which can meet your different needs4. EASY TO CARRY: With a storage box to store these manual expander tools, this expander is portable and easy to use5. EFFORTLESS OPERATION: This is complete extension kit with strength and durability for easy and effortless operationHow to Use:1. Prepare the tube that needs to be expanded2. After taking out, install the expansion head to be expanded on the expander3. After installation, plug the expansion head into the pipe that needs to be expanded, and then the expansion pipe can be expandedSpecification:Item Type: Tube Expander Tool KitModel: CT-100Material: 45# Steel + Aluminum AlloyApplicable Pipe Material: Used for copper pipe, aluminum pipeCutter Cut Size: Approx. 6-42mm / 1/4in - 1-5/8inApplicable Pipe Sizes: Approx. 10mm / 3/8in, 12mm / 1/2in, 16mm / 5/8in, 19mm / 7/8in, 22mm / 3/4in, 25mm / 1in, 28mm / 1-1/8inApplication: Expanding Tube Package List:1 x Tube Expander Tool7 x Tube Expander Heads1 x Pipe Cutter1 x Deburring Blade1 x Chamfering Blade1 x Storage Box