The Tracer bullet pen is made in polished brass and looks like a real cartridge with a copper colored bullet. To write, just shake the pen and the writing point will emerge from the pen, ready to write. Once you are done, shake the pen again and the point will retract into the pen! Smooth ballpoint writing. Black ink. The Tracer pen is fitted with a stylus at the top of the barrel. Made in polished brass, this pen will give years of enjoyment.