National Hardware 5" Galvanized Steel Door Barrel Bolt is designed to provide reliable security for lightweight doors, chests, cabinets, and more. This versatile bolt can be installed on either right or left-hand doors, ing flexible installation options to suit your needs. When used vertically, its notch-in case securely holds the bolt in the locked position, enhancing safety. Crafted from durable steel with a brass bolt and knob, it features a bolt diameter of .32 inches, ensuring strength and longevity for your security applications. Model Number: N151-910