Dremel, the inventor of the EZ SpeedClic quick-change system for rotary tool accessories, now offers an extended line of EZ SpeedClic metal cutting accessories. The Starter Set SC406 includes the unique EZ SpeedClic mandrel and two fiberglass reinforced metal cutting wheels. The SC456, SC456B and SC409 are replacement metal cutting wheels, whereby the SC409 wheels have a thickness of just 0,75 mm.