Rio round baseplate spigot & cover Stainless Steel 2205 is a superior duplex stainless steel. It features elevated levels of chemical components enabling superior strength and corrosion/pitting resistance. SS2205 is commonly used in harsh marine environments. Base Plate Advantages: Made from stainless steel 2205 Suits 12mm glass Contemporary tapered top to comply with no toe hold requirements. Base plate has 4 x countersunk holes to enable flush fixing. 100mm SS316 countersunk timber screws available for timber affixing. Recessed friction plate for neat finish & ease of installation Tapered packer included (1mm to 1.5mm) to enable tilt adjustment of glass Superior strength Available in white, polish and satin