The Tilta Screw Kit for Sony a7S III provides you with a complete set of the screws for the cage, as well three Allen wrenches and a flat head screwdriver. Grab this set to keep on hand in case some screws go missing from your cage, or use them as replacements if any have already turned up lost. Made from stainless steel, these screws are tough, corrosion-resistant, and ready for a lifetime of service.