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