The Signature Engraving ScribeTM is an easy to use engraving scribe specially designed for use with the Engravable Signature Mat. This pen does not require batteries. The tip of the pen is a custom shaped diamond like tip that engraves into the surface when the user writes. This pen does not easily wear out and will last well beyond it's use at an event. One scribe is included with each frame, purchase this scribe as a back-up.