The Bosch GWS 9-115 S Angle Grinder is fitted with a powerful motor and variable speed selection for increased control when working on different materials. With overload capacity for increased safety. The small grip diameter and ergonomic design make it comfortable and easy to handle. Specifications: Input Power: 900W.No Load Speed: 2,800-11,000/min.Disc Diameter: 115mm.Spindle Thread: M14.Weight: 1.9kg.