The Trodat Printy 4817 Dater Phrase Stamp 216990 is a versatile desktop tool designed for efficient document marking in office environments. This stamp allows users to imprint a customizable message alongside a clearly legible date, streamlining administrative tasks such as filing, invoicing, or processing mail. The device features a user-friendly ink cartridge replacement system, allowing for quick maintenance. To replace the cartridge, gently press the stamp to a slight position and push the used ink pad to remove it; the new cartridge can be inserted easily from either the front or the back of the unit.