Solid Brass Collection Deltana Square Corner 4" x 4" Solid Brass Plain Bearing Mortise Hinge - Pair Get the contemporary style you’re searching for with these durable solid brass hinges from Deltana. You've earned the right to have the best door hardware you can get and now you don't have to look any further to get it. Product Technologies: Inset: An inset hinge is needed when the cabinet door sit inside the cabinet frame. Used with eight face-frame or panel cabinets where having a door flush with the frame is ideal. Material - Solid Brass: Solid brass is made from copper and zinc and is prized for its resilience, durability, and beauty. Solid brass can always be polished back to its original sheen and is highly resistant to rusting. Solid brass is often available in finishes that other hinge materials are not. Mounting: The standard corners for mortised door hinges are 1/4" radius, 5/8" radius and square corner. It is recommended that three hinges be used on doors up to and including 7.5 feet with one additional hinge for each additional 2.5 feet. Make sure you check your current hinges before making a purchase. Deltana is the architectural hardware manufacturer with a proven record for exceptional service and quality. Deltana inventories the country’s largest selection of architectural, lighting, and door hardware in over nine fine finishes made from solid brass, zinc, aluminum, steel and stainless steel.