Piano Hinge, Ligature Resistant No, Steel Material, 180 Degrees Range of Motion, Black Enamel Finish, With Holes, Non Handed Orientation, 1/2 in Overall Knuckle Height, 48 in Door Leaf Height, 48 in Frame Leaf Height, 5/8 in Door Leaf Width, 5/8 in Frame Leaf Width, 0.04 in Door Leaf Thickness, 0.04 in Frame Leaf Thickness, Length 6 ft, Not Included Hardware, 2 in Hole Spacing, 36 Holes per Leaf, Full Surface Mounting, 3/32 in Pin Dia., Steel Pin Material, Nonremovable Pin Type