High Speed Steel Construction: Crafted from durable high speed steel, these HUHAO screwdriver bits are designed to withstand the rigors of heavy-duty use in woodworking and other DIY projects. The robust material ensures longevity and resistance to wear, making them a reliable choice for professionals and hobbyists alike. Precision Magnetic Tips: Each bit in this set features a precision-engineered magnetic tip that securely holds screws in place, facilitating a smoother, more efficient driving process. This feature is particularly useful in tight spaces or when working overhead, reducing the risk of dropping screws and improving overall task efficiency. Versatile Double-End Design: The unique double-end PH2 design of these bits doubles their usability, allowing you to switch between ends quickly without the need to change bits. This efficient design saves time and space in your toolkit, making these bits ideal for a wide range of drilling and driving tasks. Optimal Length and Compatibility: Measuring 65mm and 100mm, these bits are optimally sized for a variety of woodworking projects. The hex shank design ensures compatibility with most standard drills and impact drivers, providing a secure fit and reducing the risk of slippage during high-torque applications. Non-Slip Hex Shank: Engineered with a non-slip hex shank, these HUHAO screwdriver bits offer enhanced grip and torque control. This design feature ensures that the bits remain securely in the drill chuck, providing a stable and controlled drilling experience, even under the most demanding conditions. Description/Features: Crafted from S2 chrome vanadium steel and subjected to a rigorous heat treatment process, these screwdriver bits offer exceptional strength, resistance to wear, and shock absorption. The innovative magnetic collar design secures cross-headed screws tightly,minimizing slippage and enhancing durability. Specifically tailored for Phillips drywall screws, these PH2 cross head screwdriver bits p