1. Powerful Working Power : The Cordless Angle Grinders has a higher power motor that provides efficient, high-performance power at 800W motor produces no-load speed of 10000 RPM to increase up to torque for tough grinding & cutting jobs in a more compact size. Any 100mm cutting wheels or grinding wheels can work with this item. 2. Control Design: Spindle lock for quicker and easier discs & accessories changing, trigger lock-on for comfortable & continuous operation. Application battery For 18V Makita battery BL1830 BL1830B BL1840 BL1840B BL1850 BL1850B BL1860 BL1860B(Battery not Included) 3. Ergonomic design and Portable: The electric angle grinders tool is light in weight Grip perfectly. Portable and lightweight with small non-slip handle, comfortable to grip and use. 4. Widely used: The Brushless motor for metal rust cleaning, metal cutting, metal grinding, tile cutting, tile grinding, wood grinding and wood cutting and ect. 5.Durability&Safety Design: The Cordless Electric Grinder With super heat dissipation, protect the engine and make it durable. High sensitive and stable performance.anti-overload and prevent burning machine.