Klein Tools Magnetizer/Demagnetizer

Magnetizer/Demagnetizer, Magnetizes and demagnetizes screwdriver bits and tips using powerful rare earth magnets, One-slide operation, Fits most screwdrivers including precision screwdrivers, 1/4 slotted, #2 Phillips, and #3 Phillips, Attaches to tool bags or backpacks with the included stainless steel key ring, No batteries required, To magnetize: Insert screwdriver fully into the magnet slot, avoid rotating the shaft while drawing slowly, To demagnetize: Insert screwdriver fully into the demagnetizing slot, avoid rotating the shaft while drawing slowly.