The ProAmerica USA Made 1/2 Inch Drive 2.5 Inch Socket Extension is a high-quality, single item tool designed for automotive maintenance and repair. Made in the United States with a chrome surface finish, this extension adds 2.5 inches to your 1/2 inch drive sockets, allowing for easier access to tight spaces. The SAE measurement system ensures compatibility with standard SAE nuts and bolts. With the manufacturer part number 6102, this extension is a reliable and durable addition to any toolbox.