Fisher Cap-O-Matic Raw BrassDefy Gravity The M4 Cap O Matic Space Pen has been available for many years in a variety of different colors & finishes, but now for the first time it will be available in its most basic form in the RAW! The new M4RAW Brass Cap O Matic Space Pen features a stylishly rustic appearance and will develop its own patina pattern over time through use, making yours more and more unique to you as time goes on. Containing a Fisher Space Pen Pressurized Ink