Feature:1. Ergonomic design: special guide plate, tungsten steel does not need to be lubricated, so that the electric shearing machine reduce the resistance during operation and reduce the wear and tear of the machine.2. The chainsaw chain and guide wheel accessories 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. Please check your parameters to ensure that this chain works with your machine.4. Heat-treated and quenched rivets make the connection between the links stronger.5. All chain knives have good wear resistance. Specification: Material: Steel Size: 4 inch/6 inch/8 inch(As shown in the picture) Package Included: 1x4 inch chain, or 1x4 inch conductor, or 1 set (4 inch chains + conductor), or 1x6 inch chain, or 1x6 inch conductor, or 1 set (6 inch chains + conductor), or 1x8 inch chain