Spring Hinge, Steel Material, Bright Brass Finish, 35.0 lb. Load Capacity, With Holes, 3 Holes per Leaf, No Ligature Resistant, 270 Degrees Range of Motion, Orientation Non Handed, 1-1/4 In. Door Leaf Height, 1-1/4 In. Frame Leaf Height, 5-11/16 In. Door Leaf Width, 5-11/16 In. Frame Leaf Width, 0.079 In. Door Leaf Thickness, 0.079 In. Frame Leaf Thickness, Plain Bearing Type, Square Corners, Included Hardware, Full Mortise Mounting, Steel Pin Material, Nonremovable Pin Type