Dremel 4000
Whether you're sanding, carving, engraving, cutting, polishing, or cleaning, you're going to want the Dremel 4000 ($80-$150). As Dremel's new top-of-the-line model, the 4000 is the company's best rotary tool yet, sporting a variable speed range of 5,000 to 35,000 rotations per minute, compatibility with all Dremel accessories, new motor technology to provide more feel with less effort, electronic feedback control to ensure consistent power, a 360-degree grip zone with pencil-grip nose cap, a separate on/off switch and speed dial, and more.