Microprocessor electronics: Pre-selection of speed, constant speed by tachometer generator, soft start, restart lock after power failure, overload protection and temperature monitoring Motor: Powerful and high torque for a fast work stage Anti-kick back, switches off the motor when the tool is blocked Completely cast electronic component prevents damages through dust. The 3-fold winding protection reduces the wear of the engine and extends the service life of a special gear: Special gear reduction for high torque in the middle and lower speed range With continuously adjustable, vibration-damped, ergonomic handle grip, for an optimal handling and machine management Dust-protected on / off switch Effective dust extraction through large suction section. Easy and quick connection with the Flex clip system. No adapter and adapter sleeves required Suction cap: With infinitely adjustable height Universal tool system, which can be adapted for many applications during renovation and modernization. Compact, handy and Ideal suitable for processing smaller surfaces as well as for the periphery areas of large surfaces Spindle locking grinding disc for abrasive materials. For removing formwork transitions and concrete rotors on freshly concrete surfaces, mineral adhesives, screed, plaster, mortar, Abrasives lime sandstone, sandstone, shampoo, asphalt.This text is machine translated.