10 pcs 5/16 inch x 65 mm Magnetic Power Nut Driver Bit Set Includes 10 precision 5/16 inch (8 mm) hex magnetic nut driver bits, each measuring 65 mm in length, providing consistency and convenience for multiple tasks. Manufactured from heattreated chrome vanadium steel for exceptional durability, wear resistance, and long service life under heavy use. Strong builtin magnetic grip securely holds nuts and hex screws in place, minimizing the risk of drops and improving overall work efficiency. Designed for a precise fit to reduce stripping and ensure smooth fastening and loosening of hex fasteners. Compatible with most electric drills, cordless screwdrivers, and impact drivers, making it a versatile choice for a wide range of tools. Ideal applications: Home improvement and DIY projects where quick and secure fastening is essential, such as assembling furniture or installing fixtures. Automotive tasks, including working on engine components or vehicle bodywork where magnetic retention reduces dropped fasteners in tight spaces. Woodworking and professional maintenance jobs, offering reliable performance when attaching hardware or building structures. This magnetic power nut driver bit set combines robust construction with precise magnetism, ensuring reliable fastening performance for professionals and hobbyists alike.