Features:*. Ergonomic design: special guide plate, tungsten steel does not need to be lubricated, so the electric shears reduce resistance during operation and reduce wear and tear on the machine.*. The chainsaw chain and guide wheel are made of 65Mn high-speed steel, with high hardness, fast slicing speed and better performance.*. The same saw can be configured with different bar lengths. Check your parameters to make sure this chain works with your device.*. Heat-treated and hardened rivets make the connection between the links stronger.* All chain knives have good wear resistance. Specifications:* Chain ChainsawMaterial: High Carbon SteelSize: 6 inch (15cm) ,4 inch (100mm) (optional)Color: As the picture shown* Guide ChainsawSize: Approx. 6 inch (15cm),4 inch (100mm) (optional)High quality materialStrong, stable and durablePackage Contents1:1x6 inch profile chainsaw3x6 inch chainsawPackage Contents2:1x4 inch profile chainsaw3x4 inch saw chainsPackage Contents3:3x6 inch chainsawPackage Contents4:3x4 inch saw chains