Industrial Steel Gate Posts are required for Industrial Single Gates 9′ wide and wider and Industrial Driveway Gates 18′ wide and wider.  Stainless steel, self-tapping, panel-to-post connections crews are automatically included with each line post, corner post, end post and 3-way post purchase.  Mounts are only needed for Blank (non-punched) posts.  DIY installation.  Ships to your home or business anywhere in the USA!