Concealed Hinge Zamac/Steel Material Satin Chrome Finish With Holes 2 Holes per Leaf No Ligature Resistant 180 Degrees Range of Motion Orientation Non Handed 4 5/8 in Door Leaf Height 4 5/8 in Frame Leaf Height 1 in Door Leaf Width 1 in Frame Leaf Width 1 3/8 in Required Door Thickness Rounded Corners Included Hardware Full Mortise Mounting Steel Pin Material Nonremovable Pin Type ANSI/BHMA 156.1-2006 Standards