Tom’s Studio Wren pen review – An EDC pocket felt tip pen with your favorite ink

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REVIEW – Do you have a favorite type of pen? Is it a Fountain pen? Ballpoint pen? Gel pen? Felt tip pen? If you answered felt tip pen, then today’s review is for you. Don’t worry if you’re not a felt tip pen person because this review might change that. Let’s take a look at the Wren pen from UK-based Tom’s Studio.

What is it?

The Tom’s Studio Wren is an EDC felt tip pocket pen you can fill with your favorite ink.

What’s included?

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The earth-friendly packaging for the Tom’s Studio Wren pen sets the mood. A mood of happiness. 

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Inside the package is a sachet of tea. For a tea drinker like myself, it made me smile, and I immediately put the kettle on to try it. My smile kept reappearing with each sip of the tea. 

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  • The Wren pen
  • 3ml glass bottle of midnight black ink

Design and features

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The Wren pen’s lid and body are available in a variety of colors that you can mix and match when you place the order. I selected a black lid and an iris body. 

Tech specs

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Length capped – 80mm
Posted (cap on the end of the pen) – 120mm
Weight – 20g
Tip size – 0.3 – 0.5 depending on pressure

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The Wren pen is made of anodized aluminum. The lid has a matte finish (at least the black version of the body is matte). The body has a smooth satin finish. You can tell from the images that the body stores inside the body tip-in when it’s not being used and tip-out when it’s being used. 

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Two O-rings provide the friction that keeps the body inside the lid.

The felt tip of the Wren pen is Japanese-made, and you can buy replacements from Tom’s Studio, which you’ll want to do if you like to try different inks in this pen.

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The body of the Wren unscrews to give you access to the ink reservoir.

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The reservoir is designed to hold the ink and the tip draws in the ink.

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Loading the ink is pretty straight forward, but it did take me two tries to get it to work. Next time I won’t have that issue. See my video below where I show where I went wrong.

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Once the ink is properly loaded, you have a great little pocket pen with your favorite ink! The pen is nicely balanced and the writing tip is smooth, making writing very comfortable. Oh, I also want to mention that the lid has a hexagon shape, so it won’t roll off your desk when you set it down.

How long do the tips last?

According to Tom’s Studio’s FAQ:

You can expect the high-quality, Japanese-made tip to last for months of use. We tested a single ink fill in the Wren on a plotter – a device used for precision drawing – and it wrote consistently for 344 metres. That’s the equivalent of 50 A4 pages of handwriting!

See in action

What I like about the Tom’s Studio Wren pen

  • You can load it with your favorite ink
  • Well balanced
  • Well made
  • Affordable

What needs to be improved?

  • Ink loading instructions
  • It would be great if an extra tip and ink reservoir were included with the initial purchase

Final thoughts

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I’m not a fountain pen person, which might be due to the fact that I’m left-handed. I’ve always felt left out of being able to try different inks. But with the Tom’s Studio Wren pen, I no longer have to feel that way because I can enjoy using any fountain pen ink I like. And, I can carry this pen in my pocket because it’s a great size.

Price: $45.00 for the pen, $4 for a pack of 3 writing tips, $3 for a pack of 6 in reservoirs
Where to buy: Tom’s Studio
Source: The sample for this review was provided by Tom’s Studio. Tom’s Studio did not have a final say on the review and did not preview the review before it was published.

6 thoughts on “Tom’s Studio Wren pen review – An EDC pocket felt tip pen with your favorite ink”




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  2. I must have read too fast bc I missed a piece of critical info >> nib size. From the home site: “0.3–0.5 depending on pressure”. That makes it a buy for this reader. Thx for the heads up!

  3. Great write up, as a gadget freak (pens, watches, lights etc) this piqued my curiosity. Not sure I’ll go buy one this instant as I have never cared for having to handle ink. But, it is very tempting I must say as I hate fountain pens (rollerball fan) but love felt/soft tips which leaves me on the fence. Good video and nice tidbit including they didn’t do the instructions terribly clearly. I suspect if it had been left in the ink a couple seconds longer the first try, or if you’d kept the pen point down a little longer the first time it would have started working. I just get the willies having to handle ink…a foible I think I need to get over. Cheers!

  4. I just got mine and so far really like it. The quality is great, I love all the colors, and as a former fountain pen user, I really like the refill system and the lack of mess. I wish it had a clip because it would make it easier to keep track of it. But I recommend it!

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