Fits the 880F4,890F4, 890F4-FL Hydraulic Concrete Chainsaw and the A-701 Pneumatic Concrete Chainsaw with the 529767 20in F4 Guide bar. These new chains provide longer side-clearance life and improved tracking in the cut. Delivering longer life in hard aggregate, this is the best choice when faced with the more demanding jobs. Diamond chains are not all created equal, so insist on Diamond Chains from ICS, the people who invented the technology. As the inventors of Diamond Chain Technology, ICS is committed to continually improving the quality and versatility of this important advance in concrete cutting; chains specifically designed for different saw types as well as the many different materials you encounter on the job. Choosing the right chain for your needs is essential to getting the best value for your purchase