Stihl Chainsaw Chain 16 Inch 3/8" LP Pitch, .043" Gauge, 55 Drive Links- 61PMM355 Fits Stihl MS170, MS171, MS180c and More, R55 (3 Chains) 25 out of 5 Stars. 2 reviews Stihl 16" 61PMM3 Chainsaw Chain Loop (3/8LP x .043) 55 Drive Links, 61PMM355 Stihl 16" 61PMM3...