From Henry, Lorain, OH says
When you need a magnetic screwdriver in a hurry, just wrap some turns of electrical wire around a screwdriver blade and momentarily touch the ends to your battery. Instant magnet! The more wraps the stronger the magnet.
From Henry, Lorain, OH says
When you need a magnetic screwdriver in a hurry, just wrap some turns of electrical wire around a screwdriver blade and momentarily touch the ends to your battery. Instant magnet! The more wraps the stronger the magnet.