The Dremel 150-piece Accessory Set contains 150 genuine Dremel accessories including EZ SpeedClic accessories which permit quick and easy accessory changes. The set is supplied in a convenient display case so you can quickly and easily find the accessory you need. * Set includes: * Sanding drums * Cutting discs * Mandrel * Grinding tips * Grinding wheel * Engraving bits * Polishing pads * Twist drills * And much more * Dremel type 724