HC-2000FZ…Concealed Non Bore Hinge Heavy Duty Offset Opening Hinge. Offset-opening heavy duty hinge, 90 degree opening. Spring-closing, surface mounted, adjustable, concealed. No hole bore! No mounting plates to fix! Fully adjustable! For equipment service doors on electronic, communication, elevator installations, 1/2″ offset when opened. One hinge fits full overlay, half overlay and inset door. Full overlay of end panel up to 25/32″. Nickel plated steel, self closing. Sold by the Each. Hinge weight capacities as follows: 2 hinges = 13.22 pounds or 6 kgs, 3 hinges = 24.25 pounds or 11 kgs, 4 hinges = 35.27 pounds or 16 kgs, 5 hinges = 59.91 pounds or 24 kgs. 59.91 pounds is the limit.