Powerful engine. The labyrinth system of the machine design prevents cutting particles from entering the engine. Constant electronics provide additional power as the load increases. Technical information: Power 1400 WSpeed (min-1) 11000Spindle thread M14Open size (shaft diameter) 22.23 mmDisc diameter 125 mmReturn restart function (NVR switch) 2.4-3.5 kgDimensions (LxWxH) 299x139x103 mm