Feature:1. Ergonomic design: special guide plate, tungsten steel does not need to be lubricated, so the electric shearing machine reduces the resistance during operation and reduces the wear and tear of the machine.2. The chainsaw chain and guide wheel are made of 65Mn high speed steel, with high hardness, fast slicing speed and better performance.3. The same saw can be configured with different bar lengths. Check your parameters to make sure this chain works with your device.4. Heat-treated and quenched rivets make the connection between the links stronger.5. All chain knives have good wear resistance. Specification:Material: SteelSize: 4 inch/6 inch (as the picture shown)Color: As the picture shownPackage included:1 x Profile Chainsaw2 x Chainsaw1 x SprocketNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.