Traditional rollerball or liquid Ink pens feeds ink to the ball from a ­ fibre reservoir soaked in ink by gravity to ensure ink flow and is relatively simple. There are two main types of rollerball tip including a cone tipped pen which offers great protection to the ball and is ideal for high volumes of writing, and a needlepoint tipped pen which has reduced friction between the ball and the tip and produces very free fl owing writing. This tip type is often preferred for detailed writing work. Office Supplies World have one of the largest selections of Rollerball Pens available anywhere, so let us help you choose the best value Rollerball Pens to suit your requirements, at the perfect price.