6-Piece Tube Expander Bearing, Copper Pipe Cutting Steel Hex Handle Air Conditioner Copper Pipe Stamping Tool Multifunctional Copper Pipe Tornado Tool

【PRACTICAL】Maintains the ductility of the copper pipe during the expansion process to prevent cracks and leaks. 【APPLICATION】Primarily used to expand copper pipes to firmly connect two copper pipes during air conditioner installation. 【MATERIAL】Made of bearing steel, with high yield strength and contact fatigue resistance, it is not easily deformed after long-term use. 【HEXAGONAL HANDLE DESIGN】It is not easy to drop when attached to a hand tool, and the operation is safer. 【Compatible】There are 6 different sizes of expanders in total, suitable for expanding various diameters of copper air conditioner pipes.