Features: Engineered with a precise machined carbon steel construction, this drill extension rod ensures seamless compatibility with standard drill bits while offering enhanced durability for demanding drilling tasks. Featuring a reinforced helical design and anti slip thickened threads, it minimizes wobbling and stripping, to fit both light duty and heavy duty hammer drills. Ideal for DIYer enthusiasts, professional contractors, and industrial workers requiring reliabled tool accessories for extended drilling in confined spaces or complex projects. Perfect for installing fixtures in tight corners, plumbing under sinks, or electrical work in hard to reach areas during home renovations or construction site operations. Its corrosions resistant carbon steel body withstands prolonged exposure to moisture and friction, making it a long lasting solution for woodworking, metal fabrication, and masonry applications. Specifications: Component: Carbon steel Properties: Suitable for hammer/impacts drill Technical parameters: High-strength connecting rod to ensures stability and durability Package Includes: 1pcs Drill 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 color. Thanks for your understandings.