VERSATILE ROTARY TOOL KIT: includes 4000 corded rotary tool, 4 attachments, 34 high-quality Dremel accessories, plastic storage case, and accessory case HIGH PERFORMANCE MOTOR – Provides maximum power and performance at all speeds. Variable speed (5,000 – 35,000 RPM) and electronic feedback circuitry for consistent performance even in the most demanding applications Fits model 275, 285, 395, 398; 100, 200, 300 and 400 Series; 3000, 4000, 4200, 8200 and 8220 Quickly converts rotary tool to plunge router; plunge lock-in handle; 2 depth stops for rapid depth adjustments The Dremel EZ Lock makes accessory changes easy as pull - twist - release The one-piece mandrel design simplifies makes it easy to cut through plastic › See more product details