The Dremel Rotary Tool is built with a cool-running ball-bearing universal motor that provides variable-speed control for precision and versatility. The EZ Twist nose cap with wrench allows fast accessory changes and the replaceable motor brushes help extend the tool's life. This rotary tool comes with an array of attachments and accessories to help you get started right away. Ball-bearing universal motor runs cool and smooth under load Works with most Dremel accessories and attachments (except PL400 and MS400 attachments) EZ twist nose cap with wrench for fast accessory changes...