Stihl MS661 ChainsawThe MS 661 MAGNUM professional chainsaw delivers the reliable power and rugged dependability you need for felling, de limbing, and bucking large diameter trees. This chainsaw features a simple, proven, and non electronic design. A fuel efficient engine and low maintenance air filtration system help keep operating costs low, while the STIHL anti vibration management system reduces fatigue and improves handling when compared to the previous model, even