The NEOBRISKEN Lithium-ion Cordless Angle Grinder provides smooth-running power to tackle the hardest grinding jobs. It features a single speed output of 9000RPM which could meet most of the requirement of household application. The slim body design reduces hand fatigue and makes getting into tight space easier. The tool free adjustable guard allows for greater safety and ease of use, and the spindle lock provides easy change of the wheel. The 3-position auxiliary handle is for added comfort and control in different grinding situations.