Check the listing for details. 6PCS Screwdriver Head Magnetic Ring Pivoting Bit Tip Screw Holder Magnetizer. Color: Blue,Red,Silver,Yellow, Condition: New. Listed at 9.45 USD. Features ---These bit magnetizer rings are made of aluminum alloy, strong and durable. 6 pieces of magnetic screw rings, the sufficient quantity will meet your various work needs and replacement. ---This magnetic screw ring can catch the screw easily and quickly, and fix it to prevent the drill bit from slipping and improve work efficiency; magnetic screw rings can magnetize screwdrivers, bits, and hex wrenches, you can use them for a long time. ---Easy to Use. For some batch heads magnetic force is not strong or the space is narrow and can not install the screws smoothly. You only need to insert the screwdriver bit into the magnetic ring, the screw can be easily picked up. ---Integrated design, small size, easy to carry.