This set can prevent screws from falling off when working above or in narrow spaces, making it very practical. The magnetic ring can easily slide into the hexagonal drill bit, increasing the significant fixing force and helping to keep the screw fixed when starting the screw. For light work at home, such as installing hardware, socket covers, or assembling furniture, they do make work less frustrating. The included magnetic screwdriver bit is a great additional feature. Powerful magnetic screw ring set. It is made of alloy steel, and the magnet is very sturdy. It comes with three colors, three screwdriver heads, and a beautiful small box. This is a high-quality small set. It can help you fix the screws. Once you have it, you won't be able to live without it