Carlton .3/8" Chisel Chain 72 Drive Links .050 Gauge This chain is a Fast cutter with an easy to sharpen. Single drag for better cutting performance. NOT for beginners, but made for the Professional User.  Chisel chain is our professional saw chain that is designed for fast, smooth cutting performance at high speeds. Specifically engineered for maximum stay sharp even under the most severe cutting conditions or hardwoods,  Chisel chain is easily maintained with standard 7/32" round chain saw files. WARNING: ALL CUTTING CHAINS CAN KICKBACK, which may result in severe personal injury to the saw operator or bystanders. Operate your saw safely. Read all warnings in your chainsaw operator's manual.