This all 18-8 stainless steel mount attaches to flat surfaces such as bulkheads, hulls, transoms or cabin sides. Also mounts to square or flat rails. Fits HORIZONTAL RAILS up to 2-14 57 mm high by any depth VERTICAL RAILS up to 1-58 41 mm wide by any depth. Some fasteners required for installation. California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Grill Cook Wiser Yes Grill Series Gourmet - Rectangular Product MPN T10-340 Product UPC