This all 18-8 stainless-steel mount attaches to any vertical flat surface such as bulkheads, hulls, transoms or cabin sides. Also mounts to square or flat rails. Fits HORIZONTAL RAILS up to 2-1/4"" (57 mm) high by any depth or VERTICAL RAILS up to 1-5/8"" (41 mm) wide by any depth. Rod portion of mount quickly disconnects for easy storage. Some fasteners required for installation.Fasteners for attaching this mount to Gourmet Series Grills are included with the grill.