Features:High-Quality Material: Made of high-quality material, wear-resistant and sturdy, not easy to break, and can be used for a long time.Exquisite workmanship: This tool has exquisite workmanship and excellent material, which can bring you a good use experience.Versatile Compatibility: The squared hole drill bit adapter is designed to fit a variety of drill bits, allowing users to easily convert round drill bits into squared holes.Efficient Woodworking: Ideal for woodworking projects, this adapter enables precise, clean drilling of squared holes, saving time and effort compared to traditional methods.EASY TO INSTALL: The adapter is simple to install and use and connects seamlessly to most standard drill bits for eases of use.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurement Description:Material: Cast AluminumSize: As ShownApplicable models: Hand drill