Comprehensive Drill Extension Kit: This set includes two 300mm (12 inches) long drill bit extension holders, each featuring a 1/4" hex shank. It's suitable for a variety of tools including electric drills, cordless screwdrivers, impact drivers, and manual wrenches, making it versatile for both home repairs and professional tasks. Enhanced Magnetic Security: Equipped with a robust magnet, the magnetic drill bit extension holder secures bits and fasteners tightly, preventing them from dropping or loosening during use. This feature ensures precise fastening even in tight, overhead, or awkward spaces, enhancing work efficiency and safety. Durable Construction with Chrome Vanadium Steel: Made from chrome vanadium steel, these drill bit extenders are wear-resistant and built for durability. Their robust construction ensures long-term reliability, making them ideal for frequent and heavy-duty applications across various industries. Extended Reach for Difficult Areas: With 300mm of extension, these bit holders provide additional reach, allowing access to screws in narrow gaps, deep corners, or recessed fittings. They are perfect for complex tasks in furniture assembly, machinery repair, and automotive maintenance, where standard drill bits fall short. Universal Quick-Change Compatibility: Featuring a standard 1/4" hex shank, these drill extension bit holders are compatible with most drills, drivers, and hex tools. They function as impact driver extension bars, hex bit holders, or general drill extensions, making them essential additions to any toolbox. Color: As Shown Material: Metal Package Contents: 2*Magnetic Drill Bit Holder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.