Magnetizer Demagnetizer Screwdriver Magnetic Tool£» 1 Set 2+3 Magnetizer Demagnetizer Screwdriver Tips Screw Magnetic Tool£» Description£º Tools for repairing chips,Computer motherboard. Quickly and efficiently magnetize screws. Allows easy and precise handling in confine spaces.¡¡ Collects metal items from inaccessible places.¡¡ Demagnetize instruments for use in electronics.¡¡ Leaves on hand free for positioning work piece. How to Use£º 1. Plus magnetic for tools which is need to increase the magnetic, such as a screwdriver. 2. Maintence of electrical appliance, electronic components, accessories, screwdriver witch are not magnetic. Put the tools to the Sign "-" Demagneize. 3. Auxiliary is used to help to open the back cover of the phone. Package Content£º 1x Magnetizer Demagnetizer tool set