Hettich Special Hinge Optimat Plus 4 Face Frame Screw On (priced per piece).
Product Details Special Hinge Optimat Plus 4 FM: Concealed hinge for Front Panel Frame, Opening Angle 110° Suitable for all frame widths Quality classification under EN 15570, Level 1 For door thicknesses from 13 mm Cup diameter 35 mm Cup depth 11 mm With self closing feature Door overlay at least 37 mm (hinge arm flush with the edge of the frame) Cup distance 2.5 mm Overlay adjustment + 1.5 mm / – 1.5 mm Height adjustment + 2 mm / – 2 mm Steel nickel plated