This Butt Style 3-1/2 inch (88.9 millimeter) x 3-1/2 inch (88.9 millimeter) Hinge with 5/8 inch (15.9 millimeter) radius corners, can be used on aluminum, steel or wooden frames. it is available in three finishes, polished brass, satin nickel and satin chrome.
5/8 inch (15.9 millimeter) Radius Corner