Box of 3 Hinges McKinney MacPro MPB 4-1/2″ x 4-1/2″ Steel Full Mortise Standard Weight Ball Bearing Hinge, Sqaure Corner The MacPro line by McKinney offers contractor grade hinges to get the job done right. High-quality MacPro hinges are an extraordinary value, ideal when you need large quantities of standard hinges. Contractor grade Five knuckle standard weight Extraordinary value, ideal when you need large quantities of hinges Templated hinges are made to conform to ANSI/BHMA 156.1, 156.7
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