Porsche Design P'3140 Shake Colors Ballpoint Pen The dynamic engineering and sporty elegance of Porsche Design's P'3140 Shake pen will make it your constant companion. The ball pen is activated with a flick of the wrist – shake again and the point snaps back into the barrel! The pocket-size Shake (4 1/4” long) has a sculpted 'clip' and comes in new red, blue or white resin with polished chrome accents. Porsche Design P'3140 Shake Colors Ballpoint Pen Features: