1. Ingenious Design: With its unique design and precision engineering, this wrench extension provides grip and control. The colorful splicing design adds a touch of charm, while the rotation lock function ensures a firm and secure fit. 2. Numerous Functions: Featuring an advanced design for hex keys including 11 mm, this wrench extension ensures complete hole positioning accuracy. The multifunctional bit holder extension seamlessly adapts to hole positions between 1.5 and 10 mm, optimizing your handmade projects. 3. Increased Efficiency: The afterburner rod features of our key extension ensure effortless application, while the chamfered edge clamping head and Thandle wrench adapter allow for easy and smooth insertion. Equipped with a hex key handle, this tool guarantees higher efficiency, making any difficult job a breeze. 4. Convenient to Carry: Thanks to its refined design and compact size, our wrench extension tool bar is lightweight and portable, ready for use anytime, anywhere—even in tight spaces.