Paint Marker. Single Pen. Heat resistance, waterproof, fade proof ink perfect for artists or students. PX-20 Paint Markers from Uni-Ball.
eBay
When writing with less pressure you will receive a finer line as the ink is transferred by the ball itself, whereas pressing a little harder gives a thicker line as the ink is able to flow freely around the ball.
eBay
eBay
Liquid Ink Rollerball Pens. This product is made in Japan. This set contains twelve pens with blue ink. Each pens features the Eye's signature windowed barrel, allowing you to monitor you ink usage.
eBay
This Uni-Ball Gel Impact Rollerball Pen contains ultra smooth gel ink, which is fade resistant, water resistant and tamper proof. Rollerball pen with ultra smooth gel ink. Ink colour: Blue. Barrel colour: Silver with transparent viewing window.
eBay
Liquid Ink Rollerball Pens. Liquid Ink Rollerball Pens from Uni-Ball. The micro pens include a window barrel that allows you to see when the ink is running. UB-150 Micro. Each pen includes a 0.5mm nib that writes a 0.2mm fine line.
eBay
JETSTREAM ink easily penetrates paper and rapidly dries. JETSTREAM ink features a low viscosity, highly lubricating solvent not used in conventional ball-point pens. By reducing the coefficient of friction, this assures an incredibly smooth feel when writing.
eBay
A rubber grip provides comfort and this retractable ballpoint pen just won't let you down. Why buy the U ni Power Tank Ballpoint Pen?. Plastic barrel. It will even write in zero gravity should you ever require it to.
eBay