HC2000150N.. Concealed Non Bore Hinge. Sold by the Each. Surface Mounted Concealed Hinge (150 degrees) door opening, without drilling holes without using mounting plates. Heavy Duty case-hardened steel exceeds ANSI-BFMA specifications. 6 way adjustable, lay-on mounting. Nickel Plated. Overall length and width of the hinge in the open position is approximately 5-1/2″ x 2″. Screw plate on one end is 2″ x 1-1/2″. Plate on opposite end is 2″ x 1-1/8″. 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.