National Mfg Co N808-535 2-Pack 4 x 4-Inch Brass Square Corner Door Hinges, 2 Pack, 4-Inch x 4", Polished Brass, Square Corner, Door Hinge, Designed For Interior Residential, Non-Rising Removable Flush Pin, 5 Knuckle, Full Mortise Design, For Use On Lightweight Doors In Low Frequency Applications, Screws Included, Carded.