National Hardware 4" Brass 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 applications, ing flexible installation options to suit your needs. When used vertically, the notch-in case securely holds the bolt in a locked position, enhancing safety and peace of mind. Crafted from durable steel with a brass bolt and knob, it combines strength with an attractive finish. The bolt diameter measures .32 inches, making it an i choice for various security applications. Model Number: N151-688