Uni-Ball Jetstream Retractable Rollerball SXN-150-07 0.7mm Black pen or refill
Jetstream Colours SXN-150. Uni's high quality "Super Ink" is not only water and light resistant, but also "Tamper-Resistant". Retractable 0.7mm Rollerballs. Features low viscosity ink, which gives a smooth and fluid writing experience.