The Craftsman Variable Speed Rotary Tool Kit gives the versatility of many tools in one * Powerful motor can work at speeds between 5000 to 32000 with no load speed * The rotary drill feels balanced and comfortable, allowing you to work for long periods of time * Cool running motor produces less noise and vibration. Built in nosecap wrench * Replaceable motor brushes. 40 accessories for specific jobs. Cutting guide for optimal use