Electronics: With constant speed maintenance by means of tacho-generator, soft start-up, overload protection and temperature monitoring Dust extraction: Protects against dust pollution, lowers the disc wear, keeps the concrete pores open for the new coating Reliable 1600 watt high-power motor with adequate power reserves Anti-kick back, switches off the motor when the disc is blocked Protective cover: with swiveling segment for grinding to the wall and height-adjustable for adjusting the height of the respective disc for optimum dust extraction With infinitely adjustable, vibration-damped, ergonomic handle for an optimum handling and machine guide For the fast hose connection: Flex clip connection for à 32 mm stop connection included in the basic equipment Recessed spindle lock against unintended actuation Ideal suitable for processing of wall, ceiling and for floor working. Efficient and economical working through an optimum alignment of machine and grinding disc suitable for sanding concrete parts, grinding weathered used concrete, hard cement plaster, for removing formwork transitions and concrete rotors, hardened epoxy resin coatings and the sintering layer on concrete parts. New segment construction offers high grinding performance and durability. Optimum underground preparation for an additional coating.This text is machine translated.