Copper tube eccentric expansion tool for expanding air conditioning pipe with integrated expansion horn tool. Each piece in diy tools is lightweight and crafted with a heavy-duty, non-slip grip. tools are highly efficient, ergonomic, and easy to use. The tools have a balanced hardness and toughness, making them resistant to breakage and bending, and their performance remains stable and reliable even after repeated use. The tools are stored neatly and orderly, allowing for quick return to their place after use. This fosters a tidying habit and eliminates the need to search for them next time., Manufacturer: KHfgDHG