# Uni-Ball Power Tank 42070 Retractable Ballpoint Pens, 1.0 mm, 12-Pack

Uni-Ball Power Tank 42070 is a 12-pack of retractable black-ink ballpoint pens with a bold 1.0 mm point. The listing describes pressurised ink for writing on wet surfaces and in cold conditions, so it may suit outdoor notes where ordinary pens can be inconvenient.

- [Original product page](https://loonieperks.com/product/uni-ball-power-tank-42070-retractable-ballpoint-pens)
- [View offer](https://loonieperks.com/visit/uni-ball-power-tank-42070-retractable-ballpoint-pens)
- Market: CA
- Language: en-CA
- Currency: CAD
- Brand: Uni-Ball
- Model: Power Tank
- Category: Office & Stationery > Stationery & Writing
- Price: 23.45 CAD
- Previous price: 36.66 CAD
- Discount: 36%
- Price checked: 2026-11-12T20:38:27.358Z
- Rating: 4.7 / 5
- Reviews: 2244

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The listing describes a pressurised ink tank intended to write on wet surfaces and in cold temperatures.
- Retractable design and a textured grip are specified.
- The black ink is described as Uni-Super Ink, with claims of resistance to water and fading.

## Pros

- A 12-pack provides multiple pens for shared use or keeping spares in different locations.
- The bold 1.0 mm point and retractable mechanism are clearly specified.
- Customer feedback reports useful writing performance in cold weather and outdoor settings.

## Specifications

### Identity
- Brand: Uni-Ball
- Model: Power Tank
- Pen type: Ballpoint Pen
- Ink colour: Black
- Point style: Bold
- Line size: 1 millimeters
- Action: Retractable
- Ink base: Hybrid
- Grip: Textured
- Hand orientation: Ambidextrous
### Dimensions and quantity
- Dimensions listed: 16 x 143 x 13 millimeters
- Weight listed: 109 g
- Diameter: 5.63 millimeters
### Materials and protection
- Body material: Plastic
- Water resistance listed: Water Resistant

## Before you buy

- The manufacturer describes writing on wet paper and in temperatures down to -20 °C. These are listing claims, not independently verified performance guarantees. The listed water-resistance rating does not specify how much exposure the ink or pen can withstand.

## In the box

- 12 ballpoint pens (Included)

## A good fit for

- People who want a multi-pen supply of black retractable ballpoints.
- Outdoor users seeking a pen marketed for cold-weather and wet-surface writing.
- Writers who prefer a bold 1.0 mm point and textured grip.

## Less suited to

- Anyone looking for a fine-point pen or a colour other than black.
- Buyers who need a quantified water-resistance rating or independently established extreme-condition performance.

## Customer feedback

Customer feedback is strongly positive overall, with customers highlighting writing performance, quality, comfort and cold-weather use. That reported outdoor usefulness is relevant to a pen marketed for wet surfaces and low temperatures, but customer impressions do not establish a specific performance limit. The rating distribution is mostly five-star, with a smaller one-star share, so experiences are not uniformly positive.
- Positive themes: Customers report good writing performance and comfortable handling.
- Positive themes: Customers describe the pens as useful in cold weather and for outdoor work.
- Positive themes: Feedback also praises durability and resistance to smudging.

## Frequently asked questions

### What comes in this pack?
The manufacturer lists 12 Uni-Ball Power Tank RT black ballpoint pens.
### What point size and ink colour are listed?
The listing specifies a bold 1.0 mm point and black ink.
### Is this pen intended for wet or cold conditions?
The manufacturer claims it writes on wet surfaces and in temperatures down to -20 °C. Treat this as a product claim rather than a verified guarantee.

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## Images

![Uni-Ball Power Tank 42070 Retractable Ballpoint Pens, 1.0 mm, 12-Pack — 1](https://loonieperks.com/i/Mn79OcPwNhDyAFHDQJCaWOxoyfWBc18w6yV3aQJ2vSxjsoMWrkJwr-SBZWRPmjh0FIW6LxKo_xIF4SFSjHrTbMxZNcUSdwuJLQLyUkxzbx4E33mTh1f9_FAb.jpg)

![Uni-Ball Power Tank 42070 Retractable Ballpoint Pens, 1.0 mm, 12-Pack — 2](https://loonieperks.com/i/beNHZWxdDjDS1-j-SzRmbJ4iJeEKUq1df19I1G92nJTgjjpY6yKFwvy7AJQ9xRsyrXDjqWBfJP2lx22X0hcZbwNbhOVLAQJ4IyAMTGQN8K7LZAXGc_-jq5by.jpg)

![Uni-Ball Power Tank 42070 Retractable Ballpoint Pens, 1.0 mm, 12-Pack — 3](https://loonieperks.com/i/DKrvRkR6CkqVJg1BhWkLqk-ynnam8HxhHEl2npNKBOQ7fp-oLDsHRH3FxaLVjzOzQmsP1b-QUDyvQxa8AiCvjtBWvaKvgebPIyTc9kgZAZz1R-mil5tFZa_1.jpg)

![Uni-Ball Power Tank 42070 Retractable Ballpoint Pens, 1.0 mm, 12-Pack — 4](https://loonieperks.com/i/17FYYpA9WFaK5wkYD3oj9iUjPh2tctTnhtCG1rel0FVQXdEB36gG042VgO0P6-0EC5wOOfXezoR46M3jiZ9jvnwxwJDKMWbK-2il0ria0NyUBuda.jpg)

![Uni-Ball Power Tank 42070 Retractable Ballpoint Pens, 1.0 mm, 12-Pack — 5](https://loonieperks.com/i/njG3Aaz8LeNBxHXysxWVtkXgb1ursr-Gj6-WnS9OldU57nL22Stda1th0wgkjeDRtVgoZVAUnz2j627khBeuwbk_DuxU8qYb3Xw-_FbSe2MiHF5drHMA2IJP.jpg)

![Uni-Ball Power Tank 42070 Retractable Ballpoint Pens, 1.0 mm, 12-Pack — 6](https://loonieperks.com/i/eEon9Njmkt2enPEwzfzdKKxStyuVB9xF8Gtr_9Je558JwFV3IlxncjKc_uVO5Jq0inREL2WjMWPU_X6qx9Dp2ao3gaU_UrUqYaKJWqI-93__q3lYP8G5VG0X.jpg)

![Uni-Ball Power Tank 42070 Retractable Ballpoint Pens, 1.0 mm, 12-Pack — 7](https://loonieperks.com/i/yP0u21vmRT9DGUjS_uNnKp6j0TStGYRIz6-y6_jwPQsJLBK06Ru1CvX0wYi9WcSKBhho0YtuMeLM6KrVTjqw5lawuPl8Pj4IMpTqe7jsX0n34zxx069gNllG.jpg)