Spring Hinge Steel Material Prime Coat Finish 125 lb Load Capacity With Holes 4 Holes per Leaf No Ligature Resistant 270 Degrees Range of Motion Orientation Non Handed 4 1/2 in Door Leaf Height 4 1/2 in Frame Leaf Height 1 3/16 in Door Leaf Width 1 7/8 in Frame Leaf Width 0.134 in Door Leaf Thickness 0.134 in Frame Leaf Thickness 1 3/8 in Required Door Thickness Ball Bearing Type Square Corners Included Hardware Full Mortise Mounting 3 in Overall Knuckle Height