This Bosch GW S9-115 P Professional Grinder comes with a paddle switch for increased user safety. Power to the machine instantly cuts off when the switch is released. Fitted with a highly efficient 900W motor, this provides a superior cutting and grinding experience. Its robust design and components provide a long lifetime, even under tough working conditions, and heavy workloads. The ergonomic paddle-shape design and slim grip size provide best in-hand control. Specifications: Input Power: 900W.No Load Speed: 11,000/min.Disc Diameter: 115mm.Grinding Spindle Thread: M14.Weight: 1.9kg.