Deltana has a proven record for exceptional service and quality and is the architectural hardware manufacturer with the largest inventory selection of architectural and door hardware in America. With an array of fine finishes, finding hinges, bolts, bumpers and stops, ball catch, roller latch, door accessories, and home accessories that compliment your home's decor. Deltana olive knuckle hinges are a very versatile application to all kinds of doors and cabinets, also allowing an easy mounting of the doors.