Multifunctional Universal Magnetic Ring 1/4 Metal Screwdriver Bit

Screwdriver, screwdriver, fast magnetizing and degaussing device, round magnetizing ring Material: Engineering Plastic Aperture: 7mm/The maximum aperture can be put into a screwdriver shaft with a diameter of 7mm, and the outside can be demagnetized and demagnetized. Weight: about 5g each Packing: bulk Product function: Magnetizing and degaussing device, which can magnetize or degauss screwdrivers, screwdrivers, screws and other products.