1. Made of metal and durable.
2. Cover the most common HVAC pipe diameters.
3. Rugged and easy to use, perfect for installers, your good assistant for work and life.
4. Preserve copper/aluminum malleability during swaging to avoid cracks and leakages.
5. Works for both hard and soft copper.
6. The forging stopper will provide great swaging depth for a perfect fitting.
7. When the air conditioner is installed, expand the copper pipe to make the two copper pipes connected with each other.
8. Multiple Purposes: the copper pipe swaging drill bit can be used as a manual tube expander when inserting the shank with an auxiliary tool.