Necessary For The Kitchen: Only pestle are made of high quality, pure natural granite.pestle has been used for thousands of years as the way to crush, grind and powder herbs and dry spices Natural Stone: Marble pestle made from 100% natural quality granite,made from unpolished granite, which greatly increases the natural friction of the pestle and is conducive to rapid grinding. Product Size : Marble replacement pestle is 7.3 inches (18.5 cm) in length and 1.57 inches (4cm) in maximum diameter. suitable for most grinding pestle sets .please allow dimensional errors. Multifunctional Tool：Granite replacement pestl can grind a variety of nuts, seeds, and spices like garlic into powder; or make homemade sauces and condiments like fresh guacamole, pesto, mustard, and more. Excellent Service：If you have any questions about our products,please feel free to contact us,we will solve the problem for you like a friend,customer satisfaction is our continuous pursuit. Granite pestle, crushed surface at both ends, designed for better restrain