Manufactured from premium quality granite. The design of the pestle allows for easy and effortless work. Suitable for herbs, spices, garlic, sauces, etc. Non-porous interior. Robust, strong, and durable. Very stable. Easily cleaned. - Granite mortars crush any food with less effort. The main features of these mortars are the weight of the pestle and the hardness of the material. - Requires initial curing of the interior surface. (Described in the instruction manual) - Glossy exterior finish for easy cleaning. - Pestle with a rough lower half for optimal performance.