The STIHL MS291 petrol chainsaw is a versatile tool for farmers, landscapers, and gardeners. It features a 55cc engine, an 18" bar, and a 3/8" chain, along with an economical 2-MIX engine that reduces fuel consumption by up to 20% and emissions by up to 50%. It also includes STIHL's long-life air filter system with pre-separation and professional anti-vibration technology.