Versatile Tool: This 9/16 inch (14mm) power nut driver features a hollow socket and a 1/4 inch hex shank, perfectly suited for hex nuts and long bolts up to 12 inches. Ideal for various fastening tasks, it enhances efficiency in construction and overhead applications. Built to Last: Made from high-carbon steel, our power nut driver undergoes heat treatment for enhanced durability and resistance to rust and wear. Its robust construction ensures a long service life and reliable performance even in demanding construction environments. Efficient Fastening: Designed for convenience with long bolts, studs, and threaded rods, this tool significantly reduces manual threading time. It's perfect for accelerating overhead fastening tasks, making it a valuable addition to your toolkit for efficient operations. Enhanced Reach: The extended hollow shaft of our nut driver facilitates the passage of long bolts and threaded rods, providing superior accessibility in hard-to-reach areas. This feature is particularly beneficial for installations in ceilings or ductwork. Automated Fastening Compatibility: Featuring a 1/4 inch hex connector, this nut driver works seamlessly with impact and drill drivers for automated fastening. A fixed rubber ring ensures a secure grip, while the smooth inner wall of the socket protects threads from damage during use. Colour: black Material: Metal Package Contents: 1 * Power Nut Driver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real one. The measurement allowed error is +/- 1-3cm.