Metal shavings, stripped out screws, and broken bolts can all wind up cluttering up your shop floor. Somehow much of this metal refuse winds up in hard-to-reach places, but a good magnetic sweeper takes care of that problem quickly. Many brands have collapsible handles which offer an extended reach underneath those tricky areas. One advantage of the magnetic sweeper is the ability to pick up sharp metal shavings, filings, or snippets without having to brush over a surface with your hands. The magnet will gather all the material up for you, and you don't expose your hand or gloves to damage from the sharp metal. Good magnetic sweepers will demagnetize or provide some other form of dumping the metal in a hands-free manner.