Features MANUAL EXPANSION TOOL: Universal manual refrigeration tool is widely used in the maintenance of refrigeration equipment such as refrigerators, air conditioners, freezers, etc. UNIVERSAL WIDE RANGE: Hinged design avoids handle swing and ensures stable operation. Support easy expansion and accurate expansion results Expansion Diameter: Support expanding diameter for metric of 6, 8, 10, 12, 16, 19, 22mm, and imperial of 1/4in ,5/16in, 3/8in, 1/2in, 5/8in, 3/4in, 7/8in HIGH HARDNESS AND WEAR RESISTANT: Copper pipe tube expander is made of good quality carbon steel material, come with high hardness and good wear resistance EASY TO USE: Just press the handle lightly to use, let go and the package will reset automatically, very simple and convenient Specification: Item Type: Copper Pipe Tube Expander Model: CT-622 Material: Carbon steel Expansion Diameter: Metric: 6, 8, 10, 12, 16, 19, 22mm Imperial: 1/4in ,5/16in, 3/8in, 1/2in, 5/8in, 3/4in, 7/8in Package List:1 x Copper Pipe Tube Expander Package List 1 x Copper Pipe Tube Expander