Key product features: Extremely powerful motor: 1900 watts with a chain speed of 12 m/s for outstanding cutting performance. Easy to use: SDS system for tool-free changing and tensioning of the chain. Extremely robust: top quality for frequent use and long life. Other product advantages: Optimum balance for working in any position. Bosch SDS for tool-free chain replacement and tensioning. Extremely high chain speed of 12 m/s. Rapid-reaction kick-back brake (Quick Stop). Ergonomic handle for both sawing and felling. Steel tines for a firm and secure grip. Large oil reservoir (200 ml) with level indicatorSteel chain safety catch bolt.