Accessories by Oregon. These specifications make it perfect for homeowners and landscaping professionals who occasionally cut wood, delivering a high standard of durability and performance and all-around ease of use. The durable chrome outer layer and hardened rivets prevent wear and reduce the need for chain adjustments, while the Chamfer chisel cutters enable it to power through timber with an excellent degree of speed. For saw sizes up to 42 cc. This saw chain meets the kickback performance requirement of ANSI B175.1-2012. Features LubriTec - Oregon's next-generation oiling system, designed to extend the guide bar and saw chain life. - Chain gauge is the drive link's thickness where it fits into the guide bar groove, matching the guide bar gauge - Chain pitch is the size of the chain and is defined as the distance between any three consecutive rivets divided by 2 - Your guide bar length is stated in the manual, and is the length of the long bar from end to...