National Hardware N238-212 V287 Extra Heavy Gate Hinges, Galvanized 3-1/2"Highlights: Size : 3 1 2" Galvanized finish Steel material Manufactured from hot rolled steel Designed for applications with narrow mounting surfaces, such as gates, barn and shed doors, storage bins, and tool boxes Designed for 2x4 or 4x4 post applications Tight pin allows right or left hand applications Designed for full or half surface applications Offset screw holes for extra strength and to prevent wood from splitting