Gate hinges are made of anti- rusting galvanized steel with zinc powder, long lasting ensured,Female Post Gate Hinge,Easy to install, whether you are repairing an old gate or installing a new one these chain link gate hinges will be exactly what you need.,These hinges also include the need carriage bolts and nuts for installation,This gate clamps can hold 1-7/8'' outer diameter post or pipe, the diameter of Gate Frame Hinge hole is 5/8'', which only match with gate hinge male pin 5/8'' (Gate hinge male pin Sold separately).