Magnetize, demagnetize, and retrieve screws with ease! Check out the MAG-100 Using powerful Rare-Earth magnets, this magnetizer is perfect for magnetizing or demagnetizing screwdrivers, tweezers, tool bits, nut drivers, or other metal tools. This magnetizer also features the following: Instantly magnetizes or demagnetizes steel tools and other small metal objects. Converts any metal tool into a magnetic retriever, great for picking up screws, nuts, and other small metal objects. Wide openings al