SOSS Mortise Mount Invisible Hinge with 4 Holes, Zinc, Satin Brass Finish, 5/8" Leaf Height, 1" Width, 1 7/16" Thickness, 14 x 1/2" Screw Size

For use with material that is 1-3/8" to 1-3/4" thick Fully concealed from either side of the door when the door is closed Moving pivot point eliminates any external pinch point Riveted steel hinge pin is non-removable No adjustment needed once installed.Nylon hinge links provide smooth hinge operation