CRL Estate Hinges for 3/8" (10 mm) to 1/2" (12 mm) tempered safety glass are a uniquely classic design combining mitered edges with curved corners. They are made of solid brass with stainless steel springs. Choose from the elegant Wall Mount Hinge or 90 degree, 135 degree, and 180 degree Glass-to-Glass styles. The self-centering action of the Estate Series Hinge allows the door to be maintained in any position, except when within 15 degree of the closed position, where they are tapered to assist in centering the door.