【High Speed Steel Material】Crafted from high-speed steel, this drill driver conversion screwdriver tool ensures durability and longevity, providing reliable performance for metalworking tasks. 【Indexable Drill Bit Type】The indexable drill bit type allows for quick and easy attachment to electric drills, offering versatility and convenience in various drilling scenarios. 【Self-Locking Hexagonal Handle】Featuring a self-locking hexagonal handle, this tool ensures a secure grip and precise control during use, enhancing efficiency and safety. 【Quick Release Design】The quick release design of this tool allows for easy attachment and detachment, saving time and effort in preparation for different drilling tasks. 【Two Length Options】Available in lengths of 60mm and 150mm, this tool caters to different user preferences and application requirements, offering flexibility in usage.