Magnetizing / Demagnetizing Screwdrivers

Magnetizes and demagnetizes screwdriver tips and bits using powerful rare earth magnets|Single swipe operation provides immediate magnetization and demagnetization|Fits most screwdrivers including precision screwdrivers, 1/4 slotted, #2 and #3 Phillips|Attaches to tool bags or backpacks with the included stainless steel key ring|US patent pending|No batteries required|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