The products shown in the image are likely a set of copper or brass mortar and pestles.These are ancient, time-tested tools used for milling, grinding, and mixing various substances. Key notes about these products: Function and Use: A mortar is a bowl-shaped container, and a pestle is a club-like instrument used to crush, grind, and mix ingredients within the mortar.They are used in kitchens globally to prepare spice rubs, herb blends, pastes, and chutneys, as well as in pharmacies and chemical laboratories to crush ingredients for medicines. Material: The items appear to be made of copper, brass, or bronze, which are alloys known for their durability and weight, which aids in the grinding process.These materials often have natural antimicrobial properties. Benefits: Using a manual mortar and pestle allows for greater control over texture and consistency, and the slow, controlled crushing action helps release essential oils and aromatic compounds, enhancing the flavor of food compared to electric grinders. History: Mortars and pestles have a long history dating back to ancient times, with use traced back to 35,000 B.C.They have been essential tools across countless cultures for thousands of years.