This chainsaw is chosen by professionals and users expecting a higher level of performance. The 445 e-series is powered by a 45.7 cc 2 cycle engine with an 18'' (45.7 cm) steel bar and chain. LowVibe® handle spares irritation and injury to your hands and arms. The Smart Start® technology and a built-in fuel pump ensure reliable start-ups time after time. With its forged three-piece crankshaft for maximum durability for the toughest application and a side-mount chain tensioner that ensures easy access and maintenance, the 445 e-series chainsaw is a tool that performs. This product is backed by a 2-year limited warranty.