Uni-Ball - Uni Mitsubishi Pencil - 12 Vision Elite UB200 Pens - Airplane Safe - Liquid Ink Rollerball Pen - 0.8mm Tip - Medium Writing - Black Pens

Designed to compensate for rapid changes in air pressure, the aircraft safe Uni-Ball VISION eliminates ink leaks in flight, eliminating flight pressure. The newly adopted tank reduces the space in which air can be expanded, thereby minimizing the expansion of air inside the ink tank. By bypassing a collector, the relaxed air is expelled before forcing the ink out. This results in a less powerful ink flow and prevents ink leakage. The "UNI-FLOW SYSTEM" ensures smooth writing performance down to the last drop of ink. The excess ink flow from the ink tank can be temporarily stored to ensure a consistent ink flow to the pen tip. Elegant design, smooth writing down to the last drop of ink. Say goodbye to ink leaks in flight. Produces a fine and precise line. Features a durable pressure-resistant tip that won't bend or break even under heavy pen pressure. A constantly sharp pen line is maintained from the first shot to the last. The fast drying and smooth ink flow system means your documents remain smudge-free.

• Designed to compensate for rapid changes in air pressure, the aircraft safe Uni-Ball VISION eliminates in-flight ink leakage, eliminating flight pressure
• The newly adopted tank reduces the space in which air can be expanded, thus minimizing the expansion of air inside the ink tank
• By bypassing a collector, the relaxed air is expelled before forcing the ink out
• This results in a less powerful ink flow and prevents ink leakage
• The "UNI-FLOW SYSTEM" ensures smooth writing performance up to the last drop of ink