8 cm (3 in.) diameter White pharmaceutical porcelain mortar and pestle for grinding pigments and other materials for use in mediums and resins. The hard inner surface is unglazed allowing you to easily abrade nearly any material to the degree of fineness that you need for fine pigments. Do not use to crush stones or extremely hard materials.
Use and Care Instructions Place item to be ground or crushed in the mortar. Work the pestle with a downward pushing motion in a circular pattern. Keep a firm grip on the pestle and be sure not to use excessive force. Wash porcelain mortar and pestle with warm water and detergent or soap.