<iframe width="580" height="385" src="https://www.youtube.com/embed/l06gStib-34" frameborder="0" allowfullscreen></iframe> <br>Cutting bits for rotary tools come in a few different shapes and sizes. Most commonly you'll get cutoff wheels, sanding tools, ... <br><a href="https://www.youtube.com/watch?v=l06gStib-34">source</a>
