EASY TO CARRY AND INSTALL: The magnetic ring universal drill is small in size, easy to carry and store, easy to use, and good in performance. The magnetized ring screw holder is easy to carry, and the universal type can be absorbed and used in various tool shafts INSTALLATION PROCESS: Magnetic ring drill bit, slide the screwdriver rod or drill bit back and forth against the side groove to remove magnetism. Combining magnetization and demagnetization, put the magnetic sleeve directly on the screwdriver rod to increase magnetism, prevent the screw from falling, and improve work efficiency The detachable magnetizer screwdriver ring has built-in strong ceramics, which is instantaneously magnetized. The shell is made of high-quality ABS plastic, which is strong and wear-resistant APPLICATION: Powerful driver bit magnetic ring magnetic sleeve is suitable for screwdrivers or knife handles with a maximum diameter of less than about 6.35 mm/0.3 inches. The detachable screw drill magnetized ring can be used for many purposes, such as hinge installation, fixed pendants, furniture assembly, and automobiles Maintenance, etc., can help you deal with many work problems and improve your work efficiency PACKAGING: Bits magnetized ring size is about 28 x 17 mm/1.1 x 0.7 inches, you will get 3 magnetic screw rings. A sufficient number of magnetic screw rings can meet your different work needs and replacement