Height: 3 1/4" Inner diameter: 4” Approx. depth: 2 1/4" Perfect for making fresh guacamole, pesto, or grinding dry spices! They grind and crush whole spices and herbs quickly and easily, releasing full flavor and essential oils. Each mortar is cut from one solid piece of natural, uncoated granite or marble for longevity. The untreated inside features a coarse finish to facilitate grinding, while the tall walls won't let ingredients escape. The pestles are heavy, yet comfortably shaped.