Features: Double neodymium magnets generate a powerful magnetic field to securely grip screws and bits, eliminating dropped fasteners even in tight spaces or overhead projects. Precisions machined aluminum alloy construction features corrosions resistant hexagonal holes that prevent bit slippage and rolling on uneven surfaces. Ideal for mechanics, electricians, DIYer enthusiasts, and professional requiring tool performances in workshops or job sites. Enhances efficiency when installing electronics, assembling furniture, performing automotive repairs, or working on construction projects with hard to reach screws. Instantly magnetizes/demagnetizes bits, combining workshop durability with electronics safe versatility for precisions tasks. Specifications: Component: Aluminum Alloy Package Includes: 1Set(5pcs) Screwdriver Head Magnetic rings note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.