Specifications Material: Aluminum Alloy Magnetic: Strong magnetic ring Function:Furniture screws/positioning Applicable Bits:Length not less than 100mm/3.93inch (and must be with slot) Size. Magnetic ring:49*13.8mm/1.93*0.54inch Tail diameter:10mm/0.39inch Triple Magnetic Ring:21*12.6mm/0.83*0.49inch Tail Diameter:12.6mm/0.49inch Description High-Quality Material: This magnetic bit holder is made from high-quality materials, ensuring durability and longevity. The strong magnet ensures that bits stay securely in place during use. Versatile Design: The design of this tool allows it to be used with various screwdriver bits, making it a versatile addition to any toolbox. It can be used for both professional and DIY projects. Convenient Use: The magnetic feature helps keep screws in place while you work, reducing the risk of dropping them and making your tasks more efficient. Ergonomic Grip: The handle is designed for comfort and ease of use, allowing you to work for extended periods without fatigue. Compact Size: Despite its robust build, the tool is compact and easy to store, making it a convenient addition to any toolkit or workspace. Package 1pcs Multifunctional strong magnetic ring screwdriver bit