Do it all with just one tool. The key to a perfect result is having maximum control over your project. The Dremel 4000 with interchangeable accessories and attachments will give you just that. The tool has a 360 degree soft grip for greater maneuverability and comfort in any position. Tackle even the smallest and most detailed tasks in awkward and tight spaces. With 5,000-35,000 variable speed control and separate on/off switch, you will always be able to pick up your project right where you left off. Together with the high-performance motor, the electronic feedback consistently gives you maximum force. Sand, grind, cut and more on any material with the same ease.