Tombow AirPress Pen Black 0.7mm

The Tombow AirPress writes the way most pens can't — upside down, straight overhead, on damp paper, or down to -5°C — because of an internal pneumatic piston rather than relying on gravity to feed ink toward the tip. Every click of the button compresses air inside the chamber, pushing the oil-based ink forward under pressure instead of letting it pool or stop flowing whenever the pen tilts or the temperature drops. That makes it a genuinely different tool from a standard ballpoint, not just a more durable version of one, and it's the reason it's picked up by field workers, outdoor sketchers, and anyone who regularly writes somewhere a normal pen would skip or fail.

The body is a compact 122 mm — about 20% shorter than a standard pen — wrapped in a rubberized non-slip grip that holds steady even with wet hands or gloves, and the spring steel clip opens wide enough to clip onto a tool belt or thick jacket pocket. It's refillable with Tombow BR-SF33 cores rather than disposable, and it's picked up both a Good Design Award and a Red Dot Award along the way.

Specifications

• Mechanism: internal pneumatic piston, pressure-fed ink
• Tip: 0.7 mm fine ballpoint
• Ink: oil-based black
• Performance: writes upside down, overhead, on wet paper, down to -5°C
• Body: 122 mm, rubberized grip, wide-opening spring steel clip
• Refill: Tombow BR-SF33 ink core