The metabo w1100 125 is a robust and universally applicable angle grinder with an ultra powerful 1100 watt motor the motor has built in overload protection to ensure that it remains safe during operation anti twist and restart protection prevents any injuries to the user ensuring the device does not suddenly twist or power up again after a dip in power carbon brushes are used to protect the motor technical specifications disc diameter 125 mm nominal input power 1100 watts power out