This passage door knob is an ideal solution for interior doors requiring a latching function, such as bedrooms, closets, and hallways. Featuring a sleek matte black finish and a classic ball shape, this knob effortlessly complements a variety of decor styles, including modern farmhouse, rustic, and designs. Designed for convenience, this door knob is fully reversible to accommodate both left and right-handed doors and is compatible with standard 1-3/8-inch to 1-3/4-inch thick doors.The adjustable latch mechanism easily adapts to the two most common backsets found in U.S. homes 2-3/4 inches and 2-3/8 inches simplifying the installation process. Constructed with a durable 1/2-inch nickel-plated latch bolt, this knob ensures reliable performance and security for residential use. It includes a 1-inch by 2-1/4-inch radius corner faceplate and all necessary mounting hardware for a complete and straightforward installation.This door knob meets standards, providing a reliable level of security for your home. Proper door preparation is essential; ensure the cross bore measures 2-1/8 inches in diameter and the edge bore measures 1 inch in diameter before installation. Enjoy peace of mind knowing this passage knob offers both style and functionality for your interior door needs.