STIHL 61PMMC3-50 Oilomatic Picco Micro Mini Comfort 14-Inch Saw Chain, 3/8-Inch Pitch, .043-Inch Gauge, 50 Drive Lengths (Discontinued by Manufacturer) Only Fits Stihl Chainsaw Models 017, MS170, MS180 Genuine Stihl Chainsaw Chain Please Check Your Stihl Bar to Verify Correct Chain 3/8-Inch Pitch, .043-Inch Gauge, 50 Drive Lengths