Skip to content

Smooth Gel Ink Ballpoint Knock Pen 0.3 mm

$2.40 - $2.40
$2.40
$2.40 - $2.40
$2.40
  • Available
  • Available
COLOR: Blue

This gel ink pen has a quick-drying, water-based ink that creates a smooth universal writing or sketching experience whether you're left or right-handed, and prevents bleed-through on paper.

The ink comes in variety of vibrant colours with a 0.3 mm tip. The fine tip allows for precise note taking or sketching. It also has a built-in mechanism to prevent ink from drying out or flowing incorrectly. The pen has a clip for easy storage in a pocket, lanyard, or closed notebook, making it perfect for on-the-go use.

When the ink runs out, they can be easily refilled. Easily know the ink levels thanks to the clear frosted pen body.

Buy refills here.

SKU 4550344872734
Product Details

Measurements:
Length: 14.5 cm (5.7")

Nib: 0.3 mm

Country/Region of Origin: Japan

Material & Care

Ink type: Aqueous

Materials: Polycarbonate, ABS Resin, Metal (Steel), Polypropylene

- Keep away from high temperatures.

Shipping & Returns

Spend $80 to receive free shipping for a limited time. Oversized items require additional handling fees. Learn more

Except for furniture, innerwear, and food, merchandise can be returned or exchanged within 30 days of delivery. Learn more

Overall rating: 4.83871 / 5 from 217 reviews.

AI Generated Review Summary

This gel ink pen offers a smooth and vibrant writing experience with a variety of colors. Customers appreciate its smooth flow, robust lines, and good quality. It provides great value for money and is convenient for on-the-go use with its refillable feature and clear ink levels.

Summary topics

  • Color Variety (18%): A significant number of customers appreciated the variety and smoothness of the various colors available for the product.
  • Ink Flow (5%): Customers keep praising the flow of the pen, describing it as amazing and smooth on paper.
  • Line Quality (4%): Customers appreciated the smooth and robust lines produced when writing with these easy to use great quality pens.
  • Overall Quality (9%): Customers expressed satisfaction with the good quality of the product, which was mentioned multiple times in the reviews.
  • Value for Money (3%): Customers raved about the great value for money of the pens, praising their quality and affordability.

Review topics: ["size","quality","shipping","colour","looks","design","value","set","deal","price","use","feels","pens","ink","writing","flow","lines","tip","muji","smudge","nib","refills","option","glide"].

Review highlights

  • "Nice ink colour and flow is smooth in use, it is a nice quality pen with good service of Muji" — Tiffany K.
  • "I appreciate the fine nib and quality of lines produced when writing with these easy to use great quality pens." — Kate H.
  • "Clear ink colours, smooth writing and very fine tips." — BArbara P.

Reviews

Slayest pen ever (but read this)

"This pen is the best pen I’ve ever used. Butt. The first pen I’ve used from Muji was the 0. 38 and 0. 3 and let me tell you there is a bit of a difference that you need to adjust to. The first is that 0. 5 smudges slightly more than the smaller sizes (which is kind of a given but again I was not used to it). Then it also spreads out more in a sense that when you write the tip lets out a lot more ink then expected and it can become too fat of a line if you don’t write fast. (FOR ME) But I still love it and it was just an adjustment. 🤏🤏😛 ITS GOOD. U should buy it. But if you like ur writing and words to be crisp and all your strokes to be the same i suggest the 0. 38z but the ink is unmatched and the smoothness and the aesthetic"

— hetu m. (5/5)

Nicely designed. I love the

"Nicely designed. I love the retractable feature. The colors are vivid and writing is precise. Thanks Muji!"

— Marija U. (5/5)

Great set to try out most of the colours!

"I love these pens, they have a really smooth writing experience. I haven't experienced any skipping with them. I also really like that refills are available."

— Akosua V. (5/5)

Nice

"It is always my favourite pen of all."

— Abia N. (5/5)

Smooth writing, vibrant colours that

"Smooth writing, vibrant colours that set quickly, convenient to carry around. A fantastic all purpose, reliable pen!"

— K A. (5/5)

Smooth and easy to use

"Love writing with this pen. It's very smooth and easy to work with, and does not bleed onto other pages"

— Amitia (5/5)

It's Good Enough.

"Positives - The ink is bold and deep, which is a nice to see. It writes smoothly while remaining aesthetically pleasing. Negatives - The clicking mechanism moves inside the housing while writing, which creates a noticeable rattle. If you’re someone like me who prefers to write in silence, you will definitely notice it—and it will likely bother you. Since the pen is plastic, it’s not ideal for sweaty hands as it tends to slip. I wouldn’t recommend it if you’re someone who loves a rubber grip. However, I created a fix: I used tiny rubber bands to create a DIY grip. It actually adds character and makes the pen feel personal, which is a cool workaround. (Image attached). Final Thoughts - This pen isn’t extraordinary, and I wouldn’t expect a lot out of it. It simply checks the "good enough" box, because of the ink is dark, bold Ink and aesthetic."

— Shingirai (3/5)

pens

"these pens were always a go to! i love how smooth i can write with it and i will definitely be buying these again if i need any refills! my favourite colour is the black because it versatile and could be used for anything, like work, or even used for daily life endeavours. i really liked these pens since forever and i hope ither will like these pens as much as i do!"

— Clio L. (5/5)

These have been my favourite

"These have been my favourite pens since living in Japan the lines are smooth and it looks sleek to be using this pen. Only wished we could buy a bulk bundle of mixed colors too. . ."

— Rebecca L. (5/5)

"Very smooth"

— Amy (5/5)

Q&A

How many pens in a box?
Hi Sonny, these pens are sold as individual pieces. If you're interested, we offer a pack of 10 for our Knock Type in 0.5mm here: https://muji.ca/products/smooth-gel-ink-ballpoint-pen-knock-type-colour-set-0-5mm. Hope this helps! ^KS