The handle surface is rough, it adopts shuttle joint design, labor saving, easy to use, comfortable to hold, non-slip. It is a simple and effective hand tool for air conditioning maintenance. Features: Made of zinc-iron alloy, strong and sturdy, ensuring durability and longevity. It is widely used in the maintenance of refrigerators, air conditioners, freezers and other refrigeration equipment. This tool can be used to expand a copper tube with a diameter between 4 and 22 mm. It is designed to prevent swinging of the handle, ensuring stable operation. The length of each section is scientifically calculated, to ensure the accuracy of use. Features: Material: zinc-iron alloy Color: silver Suitable diameter: 4-22mm/0.16-0.87in Item Size: 155*154mm/6.10*6.06in Item Weight: 350g / 12.35oz Notes: 1. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. 2. Please allow slight dimension difference due to different manual measurement. Packing List: 1 * Tube Expander