The X91N nickel-plated elbow hinge is designed for corner furniture, allows three-dimensional regulation and depth adjustment by eccentric for greater precision. The dimension of the cup is 35 mm in diameter with a drilling range of the same D = 3 ~ 7mm. It is provided with a closing and opening spring and an automatic system for installing the hinge to the fastening supplement. It is designed to be installed on doors with a thickness between 14 to 24 mm. The materials of manufacture are resistant steel with an anti-corrosion nickel-plated finish. Its packaging is supplied with 200 units of X91N elbow hinges.