Dremel 560 Drywall Rotary Tool Cutting Bit is designed for cutting drywall for electrical boxes, air vents, and other wall features. It features a 1/8 inch steel shank and a piloted tip for easy cutting around outlet and switch boxes. This bit is compatible with all Dremel rotary tools and has a speed rating of 30,000 rpm. With this cutting bit, you can make fast and clean cuts in drywall, making it an essential tool for any DIY enthusiast or professional contractor.