Swiss Army Replacement Pen, Large (A.3644)

Be prepared for anything by keeping all the tools in your pocket knife up-to-date. You can replace your accessories at any time to make sure everything you need is there when you want it. Take the Large Replacement Pen for example. When you’ve run out of ink, just swap your old pen for a new one and you're ready to sign your name, write down measurements or take notes for later – wherever you are.