Bosch GSS 280 AE Professional 1/2 Sheet Orbital Sander The sander for extremely high surface quality FEATURES High-quality sanding plates for the best surface quality and five times longer lifetime than rubber sanding plates Best bearing seal and high-quality aluminium bearing flange for smooth running and long lifetime of the motor Bosch Microfilter System: perfect mobile extraction Quiet and low-vibration for more comfortable working Frontal flush sanding thanks to removable auxiliary handle Also suitable for left-handers SPECIFICATION Rated power input: 330 W No-load speed: 5,500 – 11,000 rpm No-load orbital stroke rate: 11,000 – 22,000 opm Oscillating circuit diameter: 2.4 mm Weight: 2.6 kg Sanding surface:  Sanding plate, width: 114 mm Sanding plate, length: 226 mm Sanding sheet for clamping, width: 115 mm Sanding sheet for clamping, length: 280 mm Sanding sheet with Velcro-type fastening, width: 115 mm Sanding sheet with Velcro-type fastening, length: 230 mm NOISE & VIBRATION Sanding panel materials:  Vibration emission value ah: 4.5 m/s² Uncertainty K: 1.5 m/s²