About this item: -6-Speed Adjustable - 135w electric rotary tool with 6 levels speed shift ranging from 10,000 rpm to 32,000 rpm makes your DIY project easily conduct. An ON / OFF button is also present to turn the device on or off. -Unique Design - Front and rear three-dimensional heat dissipation design improves heat dissipation and working stability, Ergonomic soft rubber handle gives optimal handling and control while working. -Easily Change Out Bits - On board spindle lock makes for quick and easy bit changes. The Hanger adopts clamp-on fixation, easy to install on the workbench, prevent the whole holder from moving away when you work. -Multipurpose - This rotary tool will allow you to perform many jobs (repair, restore, improve, etc.) on a wide variety of materials. Perfect electric grinder for cutting, engraving, milling, grinding, polishing, removing and drilling. -Various accessories - 80 high quality accessories will meet all your needs, and will provide you with many work