A-B1CFC50D074P-AI CH LOOP-74DL .325" .050GA-REPL 20LPX74One New Aftermarket Replacement Chainsaw Chain Loop Fits Stihl and Red Max Chainsaws This aftermarket replacement Oregon 20LPX style full chisel saw chain loop is designed for experienced loggers and tree care professionals using . 325" pitch chainsaws. Full chisel cutters deliver fast, efficient cuts through both softwood and hardwood, while offset depth gauges help prevent cutters from driving into the sidewall for a smoother cutting experience.