The Dremel 8-Volt Lithium-ion Cordless rotary tool is the tool for people who are passionate about hands-on projects around the home such as finishing, intricate sanding, polishing, cleaning, engraving and more. The tool"s variable speed control allows you to set the speed of the tool to match a particular accessory to the task at hand and it is designed to be used with all Dremel accessories and most threaded attachments.