- Powerful Built-in Magnet: The magnetic drill extension features a strong magnet that securely holds screwdriver bits in place. This design allows for effortless one-handed bit changes, enhancing user convenience and efficiency during drilling tasks. - Versatile Length Options: This set includes three 1/4 inch magnetic drill extensions in lengths of 60 mm, 100 mm, and 150 mm. These varied lengths make it easy to tackle different drilling requirements, whether you are working in tight spaces or need extra reach for larger projects. - Integrated Design: The integrated construction of these drill screwdriver bit extenders is designed to effectively concentrate power, reducing the risk of breakage and improving overall performance. This design maximizes the strength and stability of the tool, ensuring a reliable drilling experience. - Wide Applications: These HEX shank drill bit extenders are suitable for both professional and DIY projects, offering flexibility and convenience across various applications. Whether assembling furniture, undertaking home improvement projects, or performing maintenance tasks, these extensions effortlessly meet your drilling needs.