X91N nickel-plated super-elbow hinge. Allows greater precision in the installation through three-dimensional regulation and depth adjustment by eccentric. It has a 35 mm diameter cup and its drilling range in D = 3 ~ 7 mm. It is manufactured to be installed on doors with a minimum thickness of 14 mm and a maximum of 24 mm. The materials of manufacture are resistant steel with an anti-corrosion nickel-plated finish. It is equipped with a spring for closing and opening, an automatic installation system for the hinge to the fastening supplement, and screwed installation. Its packaging is provided with 200 units of X91N super elbow hinges.