Features 1、Built in Return Spring: The tube expander has built in return spring, which is easy to operate and labor saving, and the reaming is more efficient. 2、Double Head Design: The expander adopts double head design, which is easy to replace and suitable for working in a narrow space. 3、Multiple Expansion Diameter: Can be used to expand diameter 6mm, 7mm, 8.5mm, 11.5mm, 14.5mm, 17mm, 18mm, 20mm, 22mm copper pipe. 4、Zinc Iron Alloy Material: Made of zinc iron alloy material, has good heat resistance and corrosion resistance, and is not easy to deform. 5、Used for Appliance Repair: Widely used in the maintenance of refrigeration equipment such as refrigerators, air conditioners, freezers, etc. Specification Item Type: Tube Expander Material: Zinc iron alloy Purpose: Expander Expander Reaming Size: Approx. 6mm / 0.2in, 7mm / 0.28in, 8.5mm / 0.33in, 11.5mm / 0.45in, 14.5mm / 0.57in, 17mm / 0.67in, 18mm / 0.71in, 20mm / 0.79in, 22mm / 0.87in Handle Length: Approx. 153mm / 6in Tube Expander Length: Approx. 155mm / 6.1in Package List 1 x Tube Expander