National Hardware 5/16" x 5" Zinc Hook Bolt is a reliable and durable fastening solution designed for various applications. This hook bolt, identified by the National catalog model No. 2162BC, comes in a convenient box pack that includes two hex nuts already assembled for ease of use. Crafted from sturdy steel and finished with a corrosion-resistant zinc coating, it ensures long-lasting performance and strength. I for securing and hanging tasks, this hook bolt combines quality materials with practical design to meet your hardware needs. Model Number: N221-689