The Dremel 300 Series rotary tool offers the precision and control required to complete a wide range of projects--from fine art to home repair. Its variable speed control allows you to set the speed of the tool to match a particular accessory or the task at hand. Circle Cutter/Straight Edge Guide Includes Storage Case and 24 Accessories New, dynamic design for additional comfort and control Variable speed from 5,000 to 35,000 rpm Lightweight design for comfort during prolonged use Comfort grip housing for easier handling and better tool control "Dove-tail" feature for Dremel-exclusive attachments On board tool storage keeps your wrench close at hand Click-and-set on/off switch allows precise speed selection Cool-running ball bearing construction for smooth and quiet operation Replaceable motor brushes extend tool life