Material: Our copper pipe expander is crafted from carbon steel and undergoes a high-temperature quenching process. Its robust construction ensures resistance to heat, wear, breakage, and deformation Efficiency: This tool eliminates the need for frequent bit changes. Combining both pipe expansion and flaring functions, it offers a practical and highly efficient solution Precision Fit: Designed with optimal depth for a tight fit, the tool simplifies the brazing process and reduces fatigue stress at the connection point Versatile Application: Suitable for a wide range of copper pipe tasks, including the maintenance and repair of air conditioners, refrigerators, and general copper piping systems Ease of Use: Designed for use with a handheld electric drill. Compact and portable, it is convenient to carry and use whenever and wherever needed, Manufacturer: HNULGVI