Flex, for example ... Its modern name has its roots in the "flexible shaft," a revolutionary component that bridges a power tool with its motor. It was developed by Ackermann and Schmitt, who ...

You can use Foredom flex shaft rotary models for woodworking ... The Foredom K.3340 Bench Motor Polishing Lathe Kit costs $333 at Amazon. This brand carries a premium price over rotary tool ...