Piano Hinge, Ligature Resistant No, Steel Material, 270 Degrees Range of Motion, Steel Finish, Without Holes, Non Handed Orientation, 1 in Overall Knuckle Height, 48 in Door Leaf Height, 48 in Frame Leaf Height, 2 1/2 in Door Leaf Width, 2 1/2 in Frame Leaf Width, 0.09 in Door Leaf Thickness, 0.09 in Frame Leaf Thickness, Length 4 ft, Not Included Hardware, 0 Holes per Leaf, Full Surface Mounting, 1/4 in Pin Dia., Steel Pin Material, Nonremovable Pin Type, 5 in Overall Width