Experience power and versatility with the Dremel 4300 Series High-Performance Rotary Tool Kit (4300-5/40). Its powerful motor combined with a three-jaw chuck for fast, tool-free accessory changes make this a versatile rotary tool for many applications. The motor is top of class for power and features variable speed with electronic feedback for consistent, customized performance. The airflow system and cool-running ball bearing construction ensure cool and quiet operation. A slim, ergonomic design provides a comfortable grip zone in any position while the universal 3-chuck makes changing accessories a breeze without the use of a wrench. This kit includes five attachments and 40 Dremel accessories for projects such as carving, engraving, cutting, grinding, cleaning, sanding, and sharpening.