This Jobsmart 3 inch extension with a 1/4 drive is a reliable and durable tool that will help you complete your automotive projects with ease. Made with a chrome surface finish and designed to last, this single item is a must-have for any mechanic or DIY enthusiast. The tool is made in China and comes with a set or single item, depending on your needs. It is compatible with SAE systems of measurement and is perfect for use on a variety of surfaces. The extension is part of the Jobsmart brand, which is known for its high-quality tools that meet and exceed industry standards.