Easy-to-manage, Stihl MS391 high-torque chain saw for enhanced performance & user comfort when harvesting wood or cutting firewood. High torque over a wide range of speeds. Up to 20% less fuel consumption & up to 50% lower emissions compared with the previous model without 2-MIX technology. Anti-vibration system Single lever master control Tool free filler cap Ematic chain lubrication system Weight: 6.2kg (without bar & chain)