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:

Features:

• 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 allow a variety of tools and objects to be magnetized
• Compact and rugged design makes it perfect for any toolbag or toolcase
• Lifetime Warranty