... , 2.4AA batteries operated, 3.Material:stailess steel + AS 4.Ceramic grinder 5.Onehand operated Electric Salt & Pepper Mill, fine or ... steel2.Chamber:Plastic AS, 3.inner part:ABS4.Grinder: durable ceramic grinding mechanism5.Battery: requires 4 xAA batteries(not included)6 ... high quality products, timely delivery and best servise. Stainless steel ceramic pepper grinder Model EB613