Chainsaws are portable, mechanical saws powered by electricity, compressed air, or most commonly a petrol two-stoke engine. One can use it to cut trees, pruning, remove branches and foliage. STIHL chainsaws are German-engineered and built in America.* They are the only gasoline-powered chainsaw manufacturer that designs and manufactures its own bars and chains – to ensure they meet our exacting standards in design and performance. Standards that have made STIHL the clear choice for professionals and homeowners alike.