1. Wide Range of Applications: The tool for air conditioning maintenance. Our air conditioning tube expander can widen copper pipe connections, making maintenance easier and faster. This multifunctional solution allows you to service and refrigerators with ease. 2. Safety Measures: Prevent hand injuries by cooling the copper pipe: Before using the air conditioning tube expander, it is essential to wait for the copper pipe to cool down to avoid burns from temperatures. Remember to keep your hands safe and prevent injuries, as the pipe generates heat during rotation and expansion. 3. 5 Types of Drill Tips: Our air conditioning tube expander comes equipped with 5 drill tips, designed for versatility with most copper pipes. Thanks to its compact size and easy portability, this tool ensures seamless outward expansion and maximizes productivity. 4. Used with an Electric Drill: When paired with an electric drill, our air conditioning tube expander operates at speed, significantly expanding copper pipes with remarkable precision and efficiency.