This 3000 Series Variable-Speed Rotary Tool Kit (3000-2/28) from Dremel is the ideal tool to use to perform a multitude of tasks. It boasts a more efficient fan design to keep the tool running cool under tough applications and in any grip position, while the insulating air gap between motor and housing to eliminate direct heat transfer to hand. The enhanced switch design allows for easier speed adjustment, and it includes replaceable brushes for longer tool life. Plus, it has a soft grip and superior ergonomics for comfort and control.