This mortar and pestle from Cole & Mason has a diameter of 14cm / 5.5 inches and is made from premium quality black granite. The mortar is heavy, well balanced, and is suitable for rigorous pounding and grinding. The mortar and pestle releases the true aromatic flavors of your favorite herbs and spices. Its unglazed interior and profile enables perfect grinding. The granite mortar and pestle is designed for both wet and dry grinding and comes in a beautiful gift box.