Klein Tools® Screwdriver & Bit Magnetizer Demagnetizer

Magnetizes and demagnetizes screwdriver tips and bits using powerful rare-earth magnets. 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. To magnetize: insert screwdriver fully into magnetizing slot; avoid rotating the shaft while drawing out slowly. To demagnetize: insert screwdriver fully into demagnetizing slot; avoid rotating the shaft while drawing out slowly. No batteries required.