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. 4. This tool can be used to expand copper tubes with a diameter between 6-22mm. 2. Made of high-quality metal, strong and , ensuring durability and service life. 1. 100% new and high quality. 5. The design avoids handle swinging and ensures stable operation., Manufacturer: Duanthry