storage boxes and include bottles formulated for different gold, silver, platinum, and base metal classifications. Assay Test also offers surface testing accessories such as touchstones in various sizes, which provide a controlled surface for applying test solutions without marking the subject item. Additional products include verification magnets to help distinguish between precious and base metals and maintenance components such as replacement bottles and other parts for existing kits. Its product range is structured to support repeat testing and safe handling of chemical solutions in professional environments.