Whether you want something grinded, sanded, or polished, a rotary tool can help. And Amazon has a bestselling one available ...

Rotary tools are incredibly versatile and well suited to a wide range of tasks around the house, in the garage, and in the workshop. With the cordless models, you can even bring these into the field.

Compact shape. Modular and portable design. Powerful and quiet brushless motors. USB-C charging. Extensive selection of tools in kits. Limited battery life. Form sometimes trumps function. Rotary tool ...