Powerful and robust angle grinder with speed regulation and ergonomic soft handle for fatigue-free working, especially over your head Powerful motor with good overload capacity Vario-Tacho-Constamatic (VTC)-Full Wave Electronics with Thumbwheel: for working at customized speeds to suit the application material and speeds that remain almost constant, even under load Tool-free adjustable guard; twist-proof Electronic safety shutdown of the motor reduces kickback if the disc stops unexpectedly- for high user protection Electronic soft start for smooth start-up Restart protection after power failure Auto-stop carbon brushes to protect the motor