Oregon cutting chain is used as original equipment by 90 percent of the world's chainsaw manufacturers and by most of the world's professional loggers, farmers, and homeowners.Why? Because they want their saws to deliver unparalleled cutting performance and the highest possible level of product satisfaction.The new shape of speed, performance, and safety makes Vanguard a chain for professional, commercial, or occasional use. Oregon Vanguard equals or beats competitive chains, and our own popular 72LG, in nose-clear bucking, nose-buried bucking and boring Please make sure you count the number of drive links before ordering.