1. DELICATE DESIGN: The internal hex key plate and colorful splicing design of the wrench extender set it apart, offering a strong and firm grip for efficient and precise wrenching. 2. NUMEROUS FUNCTIONS: Featuring an advanced design, the wrench extension accommodates hex keys up to 11 mm, ensuring complete hole positioning accuracy. The multifunctional bit holder extension seamlessly adapts to hole positions between 1.5 and 10 mm, optimizing your DIY projects. 3. INCREASED EFFICIENCY: The design of our key extension ensures effortless operation, while the chamfered edge clamping head and Thandle wrench adapter allow for smooth insertion. Equipped with a hex key handle, this tool boosts efficiency, making tough jobs a breeze. 4. EASY CARRYING: With its compact design, our wrench extension tool bar provides unmatched convenience and portability, allowing you to take it anywhere. Ideal for accessing hardtoreach bolts and nuts in tight spaces anytime, anywhere.