General Tools 3601 Precision Magnetizer & Demagnetizer
63Width: 3.Magnetize and demagnetize screwdrivers, tweezers, tool bits, and other steel objects Magnetize by sliding the tool through the (+) opening Demagnetize by sliding the tool through the (-) opening Demagnetize tools for use in electronics 2" x 2" x 1-1/8" overall size Carded Length: 6.