uniball™ POWER TANK RT Refill, Ballpoint Pen

Make sure your Power Tank lasts longer. Have an ecological-friendly impact by stocking up on refills of this hybrid ink featuring Super Ink technology for writing that stands the test of time.

• Pressurized ink cartridge works at odd angles and in cold weather or wet conditions
• 1.0mm pens feature a medium tip that delivers outstanding readability
• Refillable biro pens have uni Super Ink that protects against water, fading and fraud
• Use these ink refills to replace existing uniball POWER TANK 1.0mm ballpoint retractable pen ink cartridges
• uniball Super Ink 1.0mm ballpoint ink refills available in black and blue