General description This Copper Pipe Tube Expander is a manual expansion tool designed for various pipes, particularly useful in air conditioning installation and maintenance. Made from a durable zinc-iron alloy, it is strong and sturdy, ensuring long-lasting performance. The tool is practical and lightweight, featuring a spring design that enhances efficiency and a hinge design that prevents the handle from swinging, ensuring stable operation. Technical specifications Material: Zinc Alloy - Iron Handle Length: Approx. 155mm / 6.1 inches Tube Expander Length: Approx. 154mm / 6.06 inches Applicable Pipe Diameters: 4mm, 6mm, 7.5mm, 10mm, 13.5mm, 15mm, 17mm, 18mm, 22mm (0.16", 0.24", 0.3", 0.39", 0.53", 0.59", 0.67", 0.71", 0.87") Usage This tool is ideal for expanding copper pipes, aluminum pipes, and thin-walled stainless steel pipes. It is widely used in the maintenance of refrigerators, air conditioners, freezers, and other refrigeration equipment. Its ergonomic handle with a coarse