Power Input: 1200 Watts No Load Speed: 11000 rpm Max. Disc Diameter: 115 mm Spindle Thread: M14 Weight: 2.2 kg Length: 285 mm Height: 80 mm Hand/Arm Vibration - Grinding: 8.3 m/s² Uncertainty K 1 (Vibration): greater than2.5 m/s² Hand/Arm Vibration - Sanding: 1.5 m/s² Uncertainty K 2 (Vibration): 1.5 m/s² Sound Pressure: 91.5 dB(A) Sound Pressure Uncertainty: 3 dB(A) Sound Power: 102.5 dB(A)