Whether you ' re assembling electronics, installing furniture, or performing home repairs, this Rings simplifies your work by easily magnetizing small tool and attracting screws Not only can the screwdriver bit be magnetized quickly to solve the problem of screw adsorption, but also can be demagnetized with electronic components from being damaged due to interference, and the practical functions can be switched at will Made from steel, specially designed for 6.35Mm (1 / 4inch) standard batch head Enhances your screwdriver efficiency with our Screwdriver Head Rings, hold screws in place and from falling during use The single size is only 24x18mm, which is small and exquisite and does not take up space It can be easily hung on a chain, a storage box or a tool hanging board, and can be used for daily maintenance, manual or outdoor scenes at any time It is an essential small item in the accompanying tool set, Manufacturer: JIAPIKA