- Versatile Length Options: This drill bit extension set includes four lengths—50mm, 100mm, 150mm, and 300mm—ensuring you have the perfect size for a variety of drilling tasks, whether in tight spaces or larger projects. - 1/4 Inch Hex Shank Compatibility: Designed with a standard 1/4 inch hex shank, these extensions connect easily and securely to your power tools, facilitating a quick and hassle-free setup for any drilling job. - Strong Magnetic Hold: Each extension features a built-in magnet that firmly holds your drill bits in place. This design simplifies bit changes and enhances efficiency during work, minimizing downtime. - Durable Alloy Steel Construction: Made from high-quality alloy steel, these drill bit extenders are built to withstand rigorous use, providing you with long-lasting reliability and performance. - Practical Applications: - Use the shorter extensions (50mm and 100mm) for precision drilling in confined spaces such as cabinetry or electrical work. - The longer extensions (150mm and 300mm) are ideal for reaching deep-set screws or drilling holes in hard-to-access areas, such as behind appliances or in wall cavities. This drill bit extension set is designed for professionals and DIY enthusiasts alike, offering the flexibility and durability you need to tackle any project with confidence.