Features EASY TO USE The copper pipe expander can be used by just lightly pressing the handle, release, the package will automatically reset, it is very simple and convenient, I believe it can make your life more convenient. Universal width range: the hinge design avoids the swinging of the handle and ensures stable operation, supports easy expansion and accurate expansion results, stable performance and strong practicality. MANUAL EXTENSION TOOL Universal manual cooling tools are widely used in the maintenance of refrigeration appliances such as refrigerators, air conditioners and freezers, and have a variety of functions and obvious effects. High hardness and wear resistance: the copper pipe expander is made of high-quality carbon steel material with high hardness, good wear resistance, exquisite workmanship, smooth and delicate appearance, durable and long service life. Expansion diameter: support metric 6, 8, 10, 12, 16, 19, 22 mm, imperial 1/4 inch, 5/16 inch, 3/8 inch, 1/2 inch, 5/8 inch, 3/4 inch, 7/8 inch, volume small, lightweight and easy to carry. Specification: Item Type: Copper Pipe Expander Model: CT-622. Material: carbon steel. Expansion diameter: Metric: 6, 8, 10, 12, 16, 19, 22 mm Imperial: 1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 7/8" Package list: 1 x copper pipe expander. Package List 1 x Copper Pipe Tube Expander