Staedtler 432 TRIANGULAR BALLPOINT STICK PEN MEDIUM RED

These pens have a medium, 1 mm nib.
These pens are great for any workspace thanks to their reliability.
These pens have a crisp, smooth flowing ink.
The triangular barrel gives you extra comfort so you can write longer.
These pens have automatic pressure equalisation which stops them leaking in aeroplane cabins.
They have a see-through barrel so you can monitor your ink usage.