uni-ball® Power Tank RT Pen - Weatherproof & Pressurized

Bob Christian Verified Buyer 04/10/26

Best Pen for Contractors

Finally, a pen that works on damp lumber and in freezing temperatures! These are now standard in our company toolkits. The textured grip is comfortable even with work gloves on.

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uni-ball® Power Tank RT Pen - Weatherproof & Pressurized

Name: uni-ball® Power Tank RT Pen - Weatherproof & Pressurized
Brand: Starline
SKU: 124102
Price: 323.10 USD
Availability: InStock
Rating: 5 (5 reviews)

Item #124102

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The perfect pen for the field, Powertank performs under the toughest conditions
Its pressurized ink cartridge allows for writing on wet surfaces, in extreme cold (as low as -20◦C/-4◦F) & at odd angles, including upside down
The ergonomic textured grip ensures lasting comfort while uni Super Ink™ technology protects against water, fading, & fraud
Point size: 1.0mm
Ink color matches plunger color (white barrel features black ink)
Refillable

Common Use Cases

Outdoor AdventuresWhether you're hiking, camping, or fishing, this pen writes smoothly even in wet conditions, making it a reliable companion for jotting down notes or sketching your surroundings.

Field WorkFor professionals in construction or surveying, the pressurized cartridge allows for note-taking on surfaces like wet concrete or in extreme weather, ensuring important details are captured on the spot.

Emergency SituationsFirst responders and emergency personnel often find themselves in unpredictable environments. This pen performs well in cold temperatures and at unusual angles, making it practical for urgent documentation or communication.

Artistic ExpressionArtists and designers can use it for creating bold, expressive lines in challenging settings, such as outdoor murals or while traveling, where traditional pens might fail.

Everyday UseFrom writing grocery lists to signing important documents, the uni-ball Power Tank RT Pen is a reliable choice for anyone who values performance in everyday tasks, regardless of the environment.

Why Customers Choose This Product

Reliability in Tough ConditionsUsers appreciate that they can count on this pen to work when other pens fail, especially in unpredictable weather or challenging settings.

Comfortable GripThe ergonomic design makes it a favorite for prolonged writing sessions, whether it’s during fieldwork or casual note-taking.

Versatile Writing AnglesCustomers enjoy the freedom to write at any angle, including upside down, which is especially useful for artists and field workers who often find themselves in unconventional positions.

Protection Against the ElementsThe water and fade-resistant ink gives peace of mind that important notes and drawings will remain intact, even in adverse conditions.

Eco-Friendly Refill OptionMany customers appreciate the refillable feature, allowing them to reduce waste while enjoying a dependable writing instrument.