National 4" x 1/4" Radius Satin Nickel Door Hinge is designed for use on interior residential doors, featuring a 1/4 inch round corner radius that adds a smooth, finished look to your door hardware. This door hinge includes a removable pin, making installation quick and hassle-, and comes with all necessary screws for convenience. Crafted from durable steel and finished in satin nickel, it both strength and an attractive appearance that complements a variety of home décors. Model Number: 512RC