Stihl 020,021,023 Oleo Mac/Olympic and others 16"Bar and Chain Combo 3/8LP Pitch,.050 Gauge,55DL Fits Many Models See Description for Applicability Stihl 020,021,023 and others Oleo Mac/Olympic 240,OM-E200 16"Bar and Chain Combo 3/8LP Pitch,.050 Gauge,55DL These are high quality for a great price! 9 teeth. **Family run business with 25 years of repair experience and parts sales