Face-Frame Hinge Item No.206200 series Opening Degree: 105º Thickness of hinge cup: 11.3mm Diameter of hinge cup: 35mm Dimension of door (K): 3-6mm Range for door thickness: 14-24mm Below formulas can be used according to different types of arm of hinges, and need the figures of both drilling holes “K” on the door and the height of assembling panel “H” when solving problem.