Pivot Hinge, Brass Material, Satin Chrome Finish, 250 lb Load Capacity, With Holes, 4 Holes per Leaf, No Ligature Resistant, 180 Degrees Range of Motion, Orientation Left Hand, 0.25 in Door Leaf Thickness, 0.25 in Frame Leaf Thickness, 1 3/4 in Required Door Thickness, Bronze Bearing Type, Square Corners, Included Hardware, Full Mortise Mounting, Hardened Steel Pin Material, Nonremovable Pin Type, BHMA/ANSI NO: C07172, UL 10C Standards, Door Leaf Width 1 1/16 in, Frame Leaf Height 4 1/4 in