- The uni-ball Signo Gel Impact pen has a broad writing line of 0.6mm making it perfect for people with a large or bold handwriting style. The ultra-smooth gel ink combined with a rubber grip make it extremely comfortable to write with.
The Signo Gel Impact also contains uni Super Ink, which is fade resistant, water resistant and tamper proof.
Available in red, blue and black, this pen is sure to become a favourite.
1mm ball.