MS 661 R C-M MAGNUM® ChainsawFor the demanding professional, this fuel efficient, wrap handle chainsaw is suited for use with long guide bars. For greater maneuverability when felling large trees, turn to the impressive performance of the STIHL MS 661 R C M MAGNUM. Its wrap around handle provides greater operator comfort when cutting. Just like the MS 661 C M, this saw includes STIHL M Tronic engine management technology and delivers less vibration and 20% greater fuel efficiency