This Porsche Design One piece comprise a ballpoint pen and a roller. This piece represents the sophistication provided by its original design, the body of this ballpoint pen is made of a single piece of massive aluminum. Its mechanism is very functional: By pushing the upper part of the clip, the mechanism releases and the clip moves forward, snap into place and at the same time the refill comes out. Therefore the clip is completely integrated in the barrel. By pushing the clip onto the barrel, the clip moves up again and the refill disappears. Besides, this ballpoint pen is equipped with a refill that cannot dry out.