How to Make Keychain Magnetic Screwdriver By macobt in CircuitsTools94161Save PDFFavoriteIntroduction: How to Make Keychain Magnetic ScrewdriverBy macobtmaco projectsFollow More by the author: About: My name is marjancho and I love electronics,makeing gadgets,hack and pranks. More About macobt » You can easy make this small magnetic screwdriver,only you need is bolt and epoxy glue More projects:http://www.youtube.com/user/macobt