National 4" x 5/8" Radius Oil Rubbed Bronze Door Hinge is a round corner residential door hinge designed for use on interior residential doors. It features a 5/8 inch round corner radius that adds a smooth, finished look to your door installation. This hinge includes a removable pin, making it quick and easy to install or remove as needed. Made from durable steel, it ensures long-lasting performance and reliability. Screws are included for your convenience, allowing for a complete and secure installation right out of the box. Model Number: 512R5/8