The QUINN 3/8 inch Drive Metric Bolt Extractor Socket Set is a high-quality tool set designed for automotive use. With a lifetime warranty, you can trust in the durability and reliability of this 9-piece set. The impact sockets are specifically designed for metric measurements, making them a valuable addition to any mechanic's toolbox. The 3/8 inch drive size ensures a snug fit on fasteners, providing the leverage needed for easy extraction. The set includes sockets for various sizes, ensuring you have the right tool for any job.