National Hardware 4" Satin Brass Square Door Hinge, (3-Pack) a durable and stylish solution for your door hardware needs. Crafted from heavy-gauge cold-rolled steel, these hinges provide enhanced strength and long-lasting performance. Featuring a 5 knuckle, full mortise design with square corners, they ensure a secure fit and smooth operation. The flush pin adds a polished look, while the counter sunk screw holes allow for a clean installation. Additionally, the removable pin design makes it easy to install or remove doors when necessary, making these hinges both functional and convenient. Model Number: N830-403