This heavy-duty Hinge nwr zinc plated 3 inch is perfect for residential and commercial applications. It is made of durable, rust-resistant zinc-plated steel and has a smooth finish for easy installation. The reinforced corner design offers maximum strength and rigidity, while the non-removable pins provide added security. With its easy-to-install design and rust-resistant finish, this hinge is an excellent choice for any door accessorizing project.