207 Impact Roller Ball Retractable Gel Pen, Blue Ink, Bold, Sold as 1 Each Sanford 65871 207 Impact Roller Ball Retractable Gel Pen, Blue Ink, Bold Produces thick, vibrant lines and features an innovative, spring loaded clip that automatically retracts when clipped onto your pocket protecting them from ink stains. Features uni-Super Ink? that helps prevent against check and document fraud. Pigment-based ink contains particles that form an indelible bond which can't be broken.