McKinney Products Company designs and manufactures high quality architectural hinges for commercial use. McKinney offers a wide variety of hinge solutions including decorative hinges, electrified hinges, MacPro hinges, and StormPro hinges. McKinney became an ASSA ABLOY Group company in 1996. With the resources of ASSA ABLOY, McKinney greatly expanded the research and development, and manufacturing capabilities. McKinney 4-1/2in x 4-1/2in Square Corner; Non Ferrous; Heavy Weight; 5 Knuckle; Ball Bearing; Quick Connect; 12 Wire; Electric Hinge # 73378 Satin Chrome Finish.