Dremel 565 Multi-Purpose Cutting Kit 565D
The drywall bits allow you to quickly cut drywall for electrical boxes, air vents and other wall features.  It's best to use drywall bits in a clockwise direction.  The multipurpose cutting bit prepares an area for light fixtures and ceiling fans and makes cut-outs in cabinets, paneling and fiberglass. Includes: a cutting guide attachment; two drywall cutting bits; and one multipurpose bit.