Power tools come in different shapes, sizes, and applications. Grinders are no exception. Some of them look and function similarly, while others have distinct designs and extremely niche uses.

Since more users will gravitate toward this selection, the following is focused on low-speed grinders. The chosen power source for a surface grinder will often be dictated by the job location.

If there’s a small power tool as hackable as the angle grinder, we haven’t found it yet. These versatile tools put a lot of power in the palm of your hand, and even unhacked they have a huge ...