Feature:1.6mm Fine Steel Chuck. High-precision drill chuck of 0.6-6mm is adopted. All drill bits in the range of 0.6-6mm can be used.2.6-level Adjustable Speed. Suitable for all kinds of operation requirements with accurate adjustment of output power speed. Has powerful speed of 30000RPM,strong power guarantees grinding speed and efficiency.3.Built-in Power Switch. Prevent accidental press, and the design of every part is refined.4.Fast Heat Dissipation and Durable to Use. Our angle grinder adopts spiral air suction effect, quickly achieving heat dissipation function, so as to make the motor more durable.5.Convenient to Replace the Carbon Brush. Even people who don't understand the structure of the tool can easily replace the carbon brush.6.Comfortable t.