Dremel 200-1/21 Two Speed Mini Rotary Kit with 21 Accessories features two-speed simplicity and versatility ideal for multiple applications and control to set speed at 15,000RPM and 35,000RPM with the flip of a switch. Dremel 200-1/21 Two Speed Mini Rotary Kit with 21 Accessories features cool-running ball bearing construction for smooth and quiet operation and replaceable motor brushes for extending tool life. Dremel 200-1/21 Two Speed Mini Rotary Kit with 21 Accessories features 1 multipurpose cutting guide and 21 Dremel rotary accessories for sanding, cutting, grinding, or polishing applications.