Kihappy Stainless Steel Spice Grinder Mortar and Pestle Set, Silver The function is grinding,pounding,crushing,easy to clean. There are lots of kitchen and household uses, including turning prescription tablets into a powder, crushing fresh herbs, grinding spices, etc. Double stainless steel construction,heavy and durable Functional Design with Non-Skid Base, Heavy-Duty Pestle Press Food-safe, no BPA, no lead, no mercury, elegant, durable, easy-to-clean, no residual taste, low-maintenance