Features and Benefits:

• Sunex 1804 1/4-Inch by 4-Inch Extension Drive
• Size:4-inchNotice the non-slip difference. The grooved pattern along the inside walls of the socket are strategically-placed micro-grips-and one of the more noticeable design innovations. Now you can remove most bolts that have up to 75-Percent of their corners stripped away. They grip even the most worn fasteners.
• CR-MO alloy steel for long life