Abstract: Apparatus for changeable forming information, such as date, time, shift, and/or lot of manufacturer information, on members being die cast or molded. The present apparatus includes at least one information forming element adapted to be mounted in communication with the interior cavity of the die or mold and having a face positioned for forming information on the member. The face is adjustably movable relative to a reference element by an adjusting element located externally to the die or mold. According to a preferred aspect of the invention, the apparatus includes at least one additional information forming element, the additional element being concentric with the first named information forming element and being independently rotatable to allow quickly and easily changing the information to be formed on the member.