Features: Enhances your drilling capabilities with our metal drill bit extension rod, perfect for reaching difficult areas and achieving precise flat bottomed holes. Crafted from high carbon steel, this extension rod features triangular shank and a polishing finish, ensuring durability and resistance to wear during prolonged use. Ideal for professional craftsmen, DIYer enthusiasts, electricians, and gardeners who require reliable and efficient tool for frequent drilling tasks in various projects. Perfect for home renovations, construction sites, outdoor engineering, and equipment maintenance, this extension rod facilitates drilling in hard to reach spots, enhancing work efficiency and precise. With its lightweight design and secure locking mechanism, this extension rod offers easy installation and prevents accidental detachment, making it a practical addition to any tool collection. Specifications: Component:Alloy Size:As Picture Shown Package Includes: 4pcs/set Extension Rod note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.