Bit driver Magnetizers is selected from which they are strong, lightweight and portable, which can be applied for a long time These screwdriver rings can be applied for hinge installation, furniture assembly, vehicle repair and so on, making your work more The magnetizer is suitable for 1/4" electric screwdriver bits, also can be suitable for slotted bits and other screwdriver bits These screw rings can magnetize screwdrivers, bits, easily and quickly capture the screw and fix, reduce abrasion and improve work efficiency You only need to insert the screwdriver bit into the rings, the screw can be easily taken, Manufacturer: Mllepjdh