Conway Stewart has completed a three year program to develop this unique and revolutionary system that allows you to adjust the balance of your pen to suit your personal handwriting style. This is achieved from an integral adjustments that shifts the centre of gravity from the front to the back of the pen depending on your preference. If you use your pen extensively this can reduce fatigue and help produce consistency. It can also be used to produce heavier or lighter strokes to complement and enhance your personal writing style.Conway Stewart is launching this important new development in a stunning engraved solid silver pen - The Evolution. A limited edition of two hundred hallmarked and numbered fountain pens.