Hinge, CLIP Knock-In 79T853 – 60Deg Knock-In, Bi-fold Cnr Special hinge for corner cabinets with bi-fold doors For door thickness from 15 to 23mm, factory setting for 19mm door thickness For use in combination with 155° or 170° hinge CLIP top with closing mechanism (spring) All metal hinge, nickel plated 60° opening angle 3-dimensional front adjustment Easy gap and depth adjustment using the spiral-tech feature Tool-free door to cabinet assembly and removal