A rotary tool spins very quickly. At top speeds, it’s whirling 20 to 30 times faster than a handheld drill (depending on the specs of the drill, of course). At that speed, the Dremel becomes a nearly ...

The set also contains nylon, stainless steel, brass and cloth bristle wheels – these all did their jobs perfectly well, and the brass wheel in particular was very hardy. There are also polishing ...