Description for grinding and polishing large and medium-sized surfaces ergonomic grip surface for comfortable work quick polishing and excellent result additional handle (can be mounted on both sides) for better guidance and handling of the device suitable for two-hand operation with stepless speed regulation suitable for disc size: 178 mm (7") free speed: 0-2500 rpm vibration level (ahd): 2.5 m/s² vibration level (K): 1.07 m/s² recommended hose inner diameter: 10 mm (3/8") Technical data Length 319 mm Width 194 mm Height 96 mm Packaging suitable for wall hanging No Gross weight 2268 g Working pressure 6,2 bar Compressed air connection 1/4 " Air consumption 140,4 l/min Sound pressure level 86,4 dB(A) Sound power level 90,6 dB(A)