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 complete tool set comes with a dedicated toolbox, ensuring neat organization and preventing tools from scattering. It's portable, easy to store, and avoids tool loss and disarray. The tool tips are precision-polished for a tight, precise fit, preventing slippage and disengagement when tightening screws, thus improving overall repair efficiency., Manufacturer: MPAIKJUB