Dust Ejection System protects from abrasion damage increasing the life of the tool Items Included: Protective keyless guard Specifications Power Input: 2600 Watts No Load Speed: 8500 rpm Max. Disc Diameter: 180 mm Spindle Thread: M14 Weight: 5.6 Kg Length: 520 mm Height: 151 mm Hand/Arm Vibration ? Grinding: 8.5 m/s? Uncertainty K 1 (Vibration): 1.5 m/s? Uncertainty K 1 (Vibration): 1.5 m/s? Sound Pressure: 96 dB(A) Sound Pressure Uncertainty: 3 dB(A) Sound Power: 107 dB(A) Sound Power Uncertainty: 3 dB(A) Sound Power Uncertainty: 3 dB(A)