DESCRIPTION The handy powerhouse Optimised motor cooling ? for high overload capability Anti-rotation protective guard ? stands firm, even if the disc breaks Constant Electronic ? keeps the speed constant, even under load Additional data Rated input power:1,400 W No-load speed:11,000 rpm Disc diameter:125 mm Power output:820 W Grinding spindle thread:M14 Rubber backing pad, diameter:125 mm Wire cup brush, diameter:70 mm Weight:2.2 kg Total vibration values (Surface grinding (roughing) Vibration emission value ah:8.5 m/s? Uncertainty K:1.5 m/s? Total vibration values (Sanding with sanding sheet) Vibration emission value ah:3 m/s? Uncertainty K:1.5 m/s? Noise/vibration information Sound pressure level:91 dB(A) Sound power level:102 dB(A) Uncertainty K:3 dB Surface grinding (roughing) Vibration emission value ah:8.5 m/s? Uncertainty K:1.5 m/s? Sanding with sanding sheet Vibration emission value ah:3 m/s? Uncertainty K:1.5 m/s?