H55134P.. Brass Plated Steel Double Acting Folding Screen Panel Hinge opens in both directions. These are used to make the Privacy Folding Screens, usually 3 to 4 panels. Made for 3/4″ thick panels. Hinge is shown 3 different positions. Hinge is made of .048 Steel and is 1-3/4″ Long. Hinges sold each not pairs.