Vision Elite Designer Series Roller Ball Pen 8mm Assorted Barrels Black Ink Consistent free-flowing ink delivers fluid writing the moment pen hits paper. Elevate your everyday with the sophisticated style of uni-ballÂ Designer Seriesâ ¢. Airplane Safe-ink will not explode or leak due to a change in cabin pressure during flights. Exclusive uni-flow ink systemâ ¢ provides consistent smoothness and color intensity. Features uni Super Inkâ ¢ that helps prevent against check and document fraud. Point Size: 0.8mm; Point Type: Bold; Ink Color(s): Black; Pen Type: Roller Ball.