How to Magnetize a Screwdriver

This page suggests using a large drycell battery and insulated wire for magnetizing a screwdriver.

More ideas can be found at: (I really like his tip about how he keeps track of loose screws. Two for one.)

From what I understand, magnetizers / demagnetizers are also sold for a few bucks in hardware / building / electrical supply stores. (Basically, very strong magnets.) Can use on tweezers as well.

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