National Hardware 5" Zinc Steel Door Barrel Bolt is a versatile security solution designed for use on lightweight doors, chests, cabinets, and more. This bolt can be installed on either right or left-hand applications, providing flexibility to suit your needs. When used vertically, the notch-in case securely holds the bolt in a locked position, enhancing safety. Crafted from durable steel with a brass bolt and knob, this barrel bolt features a bolt diameter of 0.32 inches, ensuring reliable performance and strength. Model Number: N151-738