Formula 409 stone and steel cleaner gives stone and steel surfaces the special care that they require. Use it to clean stainless steel, marble, granite and other natural stone surfaces to a streak-free shine throughout your home. With no harmful ammonia, this pH-balanced, non-waxy, non-abrasive formula will keep surfaces looking great for years to come. Formula 409 stone and steel cleaner is an effective and convenient solution for your stone and steel cleaning needs.