National catalog model No. V287 extra heavy-duty gate hinges, black. 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. Manufactured from hot-rolled steel.