APHRODITE&reg; Marathon Micro motor N8 S03 With Straight&Contra Angle Hand Tool kit Product Virture: method of tool exchange CAM Non stage speed (it is well designed for output 0-35 000 rpm) Right and Left rotation capacity for micro motor N8 Foot pedal ON / OFF breaking system on the micro-motor N8 Automatic stop turning on the red light with alarming beep