4. This tool can be used to expand copper tubes with a diameter between 6-22mm. 1. and high quality. 3. The handle has a rough and adopts a joint design, which is labor-saving, easy to use, comfortable to grip and non-slip. It is a simple but effective hand tool for air conditioner maintenance and repair. 2. Made of high-quality metal, strong and , ensuring durability and service life. 5. The design avoids handle swinging and ensures stable operation., Weight: 0.84326815215 Pounds, Manufacturer: Frewurwer