1-7/8 16 gauge galvanized tubing. All gates are designed with galvanized American made tubing with zinc coating. All gates are 8' 2" tall with round corners. Gates come with three heavy-duty hinges with 12" bolt hook. All vertical and horizontal bars are saddle notched for superior strength. All gates are 4" shorter than advertised length for hinge placement. All deer master gates come with 6 gauge 4 x 4 mesh panel welded to the gate frame.