【Versatile Set】: This drill bit holder includes 2, 2.35, 4, 6, 12 inch, perfect for reaching tight corners and confined spaces. Compatible with drills, electric screwdrivers, cordless drills, and more. Covering a wide range of working scenarios, this set is all you need. 【Secure and Reliable】: Our drill seat features permanent magnets for a secure fit. The super magnetic design ensures a tight grip on drill bits and fasteners, eliminating the hassle of dropped tools during work. We have enhanced the magnetism to provide even better performance. 【Premium Quality】: Crafted from high-quality S2 Steel, our Strong Magnetic Extension Bit Holder is built to last. The sleeve is made of durable steel, offering wear-resistance and high-strength. 【Wide Range of Applications】: With its universal 1/4" hex shank, our strong magnetic extension Bit Holder is compatible with various quick change chucks and hex tools. It's an indispensable tool for DIY projects, household maintenance, and general repairs. A valuable addition to any tool box set. 【Package content】:10 Pack magnetic drill bit extender 1/4 inch,Package includes 5 Length-2"(50mm), 2.35"(600mm), 4"(100)mm, 6"(150mm), 12' (300mm) to satisfy your various needs. Usage: Universal fit electric screwdrivers, manual screwdrivers, T-handle 1/4" driver screwdrivers, corded drills, cordless drills, power drill, impact drivers or any other devices with 1/4 inch hex shank. Unlimited Uses in Automotive, Hardware, Hobby, Home, etc.