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  • uni Mechanical Pencil Kurutoga Roulette Model, Silver, 0.5 mm (M510171P.26)
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uni Mechanical Pencil Kurutoga Roulette Model, Silver, 0.5 mm (M510171P.26)

4.6 out of 5 stars 7,696 ratings
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Purchase options and add-ons

Brand ÈþÁâǦ±Ê
Writing Instrument Form Graphite Pencil
Colour Silver
Ink colour Gray
Age range (description) Adult

About this item

  • The Kuru Toga Series From Uni-Ball Mitsubishi Has A Core Rotation Mechanism That Can Automatically Rotate The Pencil Lead As You Write. The Lead Is Twisted Through A Spring-Loaded Clutch, It Works By Twisting Incrementally Every Time You Lift The Pencil Up (I.E. During Printing Words, Etc.). This Allows A Uniform Wearing Of The Pencil Lead So That It Always Remains As A Pointed Tip. So You Can Easily Avoid The Usual Problem Of Using Pencils
  • At First The Pencil Has A Sharp Point, But After That When You Continue To Write The Point Is Worn Down, And Your Line Widths Are Smudgy And Thicker. Sometimes The Tip Of The Angled Point Can Scratch Or Catch On The Paper. The Lead Is Easy To Break Due To Some Positions Of The Tip And The Angles Of The Tip
  • But Using Kuru Toga Pencil, You Will Not Have To Face The Above Problems. You Are Effectively Using Only 50% Of The Lead Area That You Were Previously Using With Your Old Mechanical Pencil. Thus, A 0.3/0.5 Mm Kuru Toga Will Write Incredibly Thin Lines And Have Less Breakage Than A Standard 0.3/0.5 Mm Mechanical Pencil
  • Package Weight : 1.0 Lbs
  • 0

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This item: uni Mechanical Pencil Kurutoga Roulette Model, Silver, 0.5 mm (M510171P.26)
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Product information

Technical Details

Manufacturer ‎Uni
Place of Business ‎Shinagawa,Tokyo 140-8537 JP
Brand ‎ÈþÁâǦ±Ê
Model number ‎M510171P.26
Colour ‎Silver
Closure ‎Retractable
Grip type ‎Knurled
Pencil Lead Degree (Hardness) ‎HB
Material Type ‎Plastic Stainless Steel
Number of Items ‎1
Size ‎1 count (Pack of 1)
Point Type ‎Fine
Line Size ‎0.5
Ink Color ‎Gray
Manufacturer Part Number ‎M510171P.26

Additional Information

ASIN B004OHNR0A
Customer Reviews
4.6 out of 5 stars 7,696 ratings

4.6 out of 5 stars
Âé¶¹Çø Rank
Date First Available Aug. 9 2012

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uni Mechanical Pencil Kurutoga Roulette Model, Silver, 0.5 mm (M510171P.26)


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Product description

Uni Mechanical Pencil Kurutoga Roulette Model, Silver, 0.5 mm

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uni Mechanical Pencil Kurutoga Roulette Model, Silver, 0.5 mm (M510171P.26)
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Price-37%?$13.50
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Customer reviews

4.6 out of 5 stars
7,696 global ratings

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Customers say

Customers like the quality, functionality, and weight of the writing instrument. They mention it's the best mechanical pencil on the market, performs as expected, and has a perfect size/weight ratio. Customers also appreciate the ergonomics, saying it feels really easy to hold with no discomfort. They also like the appearance and writing performance. However, some customers have mixed opinions on the lead rotation.

142 customers mention "Quality"130 positive12 negative

Customers are satisfied with the quality of the pencil. They mention it's the best mechanical pencil on the market, works better than expected, and feels sturdy. Some say it's excellent for drawing and no lead has broken so far.

"Great pencil, works well and writes smoothly" Read more

"This is a great pencil. It has a lovely hand feel with a cool and weighty character and is balanced nicely in the hand while writing...." Read more

"Best mechanical pencil you can buy hands down, excellent weight and balance and the auto lead spinning makes writing and drawing a joy." Read more

"Best pencil i ever have" Read more

53 customers mention "Functionality"50 positive3 negative

Customers like the functionality of the writing instrument. They mention it's well-constructed, has a good interior, and the drafting tip works really well. Customers also say the turning mechanism works great and the lead never becomes dull.

"...lead about 20 degrees every time you lift your pencil off the page, works well. Tried it on different writing angles and seemed to work perfectly...." Read more

"...Great product." Read more

"Great and long lasting mechanical pencil. Have been using for a long time and still works perfectly fine. So worth the money." Read more

"Perfect size/weight ratio. Works as intended: the tip is always round and pointy." Read more

48 customers mention "Weight"37 positive11 negative

Customers like the weight of the pencil. They mention it's light but feels sturdy, the steel body has a nice weight to it, and the weight distribution is great. Customers also say the pencil feels more weighty and writes great. They also say it's very unobtrusive in the pocket.

"...The top half is plastic and the bottom half is metal, gives a nice weight to it with a lower center of gravity...." Read more

"...The retractable tip also adds to its portability and convenience...." Read more

"Perfect size/weight ratio. Works as intended: the tip is always round and pointy." Read more

"...The main downsides for me are as follows. The pencil is not as heavy as I was hoping. It is incredibly light and as a result feels somewhat flimsy...." Read more

40 customers mention "Ergonomics"28 positive12 negative

Customers like the ergonomics of the writing instrument. They mention it feels nice, has a nice metal texture, and is easy to hold with no discomfort.

"...The pencil itself is light, comfortable, and cute. I write a lot and do a lot of math with a pencil, so weight matters...." Read more

"...It feels great, the weight distribution is perfect, and the auto sharpening mechanism is obviously really handy...." Read more

"...I imagine if you grip the pen too hard, your fingers will cramp up faster than with a thicker pen...." Read more

"This has become my go to pencil for drawing. It feels great in the hand. It's nicely balanced and lightweight." Read more

30 customers mention "Grip"24 positive6 negative

Customers like the grip of the writing instrument. They mention it's well-balanced and easy to hold with no discomfort. They also appreciate the perfect combination of metal around the grip and plastic materials.

"Fantastic pencil, grip is nice, built well. Eraser is a little small, but it's enough for emergencies anyways...." Read more

"Nice feel to it, love the metal grip. Just below the metal grip is a rubber o-ring for a little extra help in the grip department...." Read more

"...The knurled grip is really nice as well (minus the circular cutout) especially because it will never come loose like a rubber grip...." Read more

"...the rotation will not work at all and you will need to adjust your grip. 2. It rotates clockwise...." Read more

29 customers mention "Appearance"29 positive0 negative

Customers like the appearance of the writing instrument. They mention it has an attractive design, shines with detail work, and is of beautiful quality. Customers also appreciate the unique and ingenious mechanism, and thoughtful engineering.

"...The pencil itself is light, comfortable, and cute. I write a lot and do a lot of math with a pencil, so weight matters...." Read more

"Nice but no better than any others." Read more

"Heavy, shiny and classmates like it." Read more

"...from the first use, the Kurutoga Roulette Model impressed me with its unique and ingenious mechanism...." Read more

23 customers mention "Writing performance"23 positive0 negative

Customers like the writing performance of the pencil. They mention it delivers sharp lines and a satisfying writing experience. Some say it's good for small precision writing and drawing, and perfect for taking notes and drawing sketches.

"It writes great but you must have firm writing...." Read more

"...This innovation is both efficient and satisfying. The 0.5 mm lead size is perfect for those who seek precision and fine detailing...." Read more

"...of metal, and have a nice weight and heft to them¡ªthey're not tiring to write with, but on the contrary feel a lot more stable than lightweight..." Read more

"...Writes smoothly and just overall an amazing mechanical pencil, once you buy these kind of pencils, everything else just feels like a cheap knockoff,..." Read more

30 customers mention "Lead rotation"18 positive12 negative

Customers have mixed opinions about the lead rotation of the writing instrument. Some mention it rotates for them, which prevents uneven wear, while others say the rotating feature doesn't make any difference when writing.

"...Now, the main point: the automatic lead rotation...." Read more

"...This pencil fixes that completely. The rotation is extremely subtle, but it makes all the difference...." Read more

"...Overall I am very happy with the pencil. The rotating lead feature is really great and works consistently...." Read more

"...So, lead is destined to be moving vertically which gives impression of instability and cheaply made mechanism when writing...." Read more

No other pencil comes close after buying one of these
5 out of 5 stars
No other pencil comes close after buying one of these
Amazing quality, light but has a nice metal texture that is comfortable to hold. Writes smoothly and just overall an amazing mechanical pencil, once you buy these kind of pencils, everything else just feels like a cheap knockoff, absolutely recommend :)
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Top reviews from Canada

  • Reviewed in Canada on August 21, 2023
    Verified Purchase
    The uni Mechanical Pencil Kurutoga Roulette Model in Silver, with its 0.5 mm lead, is a true gem that has earned its perfect five-star rating. As a pencil enthusiast who values precision and innovation, this mechanical pencil has exceeded all my expectations.

    Right from the first use, the Kurutoga Roulette Model impressed me with its unique and ingenious mechanism. The self-sharpening feature is an absolute game-changer. The pencil's rotation as I write ensures a consistently sharp point, leading to clean and precise lines without the need for constant manual sharpening. This innovation is both efficient and satisfying.

    The 0.5 mm lead size is perfect for those who seek precision and fine detailing. Whether I'm jotting down notes, sketching intricate designs, or working on technical drawings, the Kurutoga Roulette consistently delivers impeccable results. The lead advances smoothly, and the lines remain consistent in thickness throughout.

    The silver design exudes a sense of elegance and sophistication. The pencil feels comfortable in the hand, with a weight that strikes a perfect balance between sturdy construction and effortless writing. The build quality is outstanding, reflecting uni's commitment to excellence.

    The mechanical mechanism of the Kurutoga Roulette Model is reliable and durable. I've experienced minimal instances of lead breakage, thanks to its thoughtful engineering. The retractable tip also adds to its portability and convenience.

    In conclusion, the uni Mechanical Pencil Kurutoga Roulette Model in Silver is a five-star writing instrument that has won my heart with its precision, innovation, and elegant design. If you're seeking a mechanical pencil that consistently delivers sharp lines and a satisfying writing experience, this pencil is a must-have addition to your collection. It's an investment that speaks to both quality and craftsmanship, and it's easily deserving of its perfect rating.
    5 people found this helpful
    Report
  • Reviewed in Canada on July 16, 2025
    Verified Purchase
    Love it !
  • Reviewed in Canada on April 7, 2019
    Verified Purchase
    Nice feel to it, love the metal grip. Just below the metal grip is a rubber o-ring for a little extra help in the grip department. The top half is plastic and the bottom half is metal, gives a nice weight to it with a lower center of gravity. The Kuru Toga feature, which rotates the lead about 20 degrees every time you lift your pencil off the page, works well. Tried it on different writing angles and seemed to work perfectly. Note that the feature does have about 1mm of spring to the lead, although I barely noticed it while using. The eraser is smaller than most other pencils I've used. Under the eraser is a smaller hole than usual to insert your leads but if you turn the pencil upside down without the eraser it keeps the leads inside still unless you shake it some. Packaging is good, protects the pencil well during shipping. Included 2 leads.
    Customer image
    5.0 out of 5 stars
    Slick looking, solid feeling pencil with Kuru Toga feature

    Reviewed in Canada on April 7, 2019
    Nice feel to it, love the metal grip. Just below the metal grip is a rubber o-ring for a little extra help in the grip department. The top half is plastic and the bottom half is metal, gives a nice weight to it with a lower center of gravity. The Kuru Toga feature, which rotates the lead about 20 degrees every time you lift your pencil off the page, works well. Tried it on different writing angles and seemed to work perfectly. Note that the feature does have about 1mm of spring to the lead, although I barely noticed it while using. The eraser is smaller than most other pencils I've used. Under the eraser is a smaller hole than usual to insert your leads but if you turn the pencil upside down without the eraser it keeps the leads inside still unless you shake it some. Packaging is good, protects the pencil well during shipping. Included 2 leads.
    Images in this review
    Customer imageCustomer imageCustomer imageCustomer image
    5 people found this helpful
    Report
  • Reviewed in Canada on January 2, 2016
    Verified Purchase
    Love these pencils!

    They're mostly made of metal, and have a nice weight and heft to them¡ªthey're not tiring to write with, but on the contrary feel a lot more stable than lightweight pencils. Of course, a mostly-metal construction means it'll be a lot more durable, and indeed, these have survived over a year of lectures and exams without much damage (mostly to the plastic bits).

    The body is slightly thinner than I like for gripping, but it hasn't been too much of a problem for me. I imagine if you grip the pen too hard, your fingers will cramp up faster than with a thicker pen.

    Now, the main point: the automatic lead rotation. I used to have a habit of rotating the pencil in my fingers until I found the pointed side, so it was awkward to use this pencil at first, since my fingers were fighting with the rotation mechanism. Once I trained myself not to do that, I realised that it was a _lot_ nicer to use without having to constantly rotate the pencil every word. They pencil strokes aren't super-thin hairlines like if you always look for the point, but they're definitely manageable¡ªnice and dark, not too thick.

    Mostly using the Kuru Toga-branded leads for these; I haven't tried commodity leads.
    One person found this helpful
    Report
  • Reviewed in Canada on July 24, 2017
    Verified Purchase
    This was the first time I bought a nice mechanical pencil and I'm quite impressed.

    The main downsides for me are as follows. The pencil is not as heavy as I was hoping. It is incredibly light and as a result feels somewhat flimsy. The eraser is incredibly small. Considering the product comes from over seas and takes a month to ship, getting replacements sounds like a hassle so I will probably never use the eraser. Furthermore, the circular cutout in the grip is rather annoying. At first it's cool to see the lead rotation in action, but once the whimsical effect wears off, I find the cutout will dig into my finger and is rather uncomfortable.

    These are fairly small complaints. Overall I am very happy with the pencil. The rotating lead feature is really great and works consistently. I don't snap my lead as much as I used to and the lead retains a sharp point. The knurled grip is really nice as well (minus the circular cutout) especially because it will never come loose like a rubber grip. The build quality appears to be great other than the light weight.
  • Reviewed in Canada on October 28, 2024
    Verified Purchase
    Amazing quality, light but has a nice metal texture that is comfortable to hold. Writes smoothly and just overall an amazing mechanical pencil, once you buy these kind of pencils, everything else just feels like a cheap knockoff, absolutely recommend :)
    Customer image
    5.0 out of 5 stars
    No other pencil comes close after buying one of these

    Reviewed in Canada on October 28, 2024
    Amazing quality, light but has a nice metal texture that is comfortable to hold. Writes smoothly and just overall an amazing mechanical pencil, once you buy these kind of pencils, everything else just feels like a cheap knockoff, absolutely recommend :)
    Images in this review
    Customer imageCustomer image
    4 people found this helpful
    Report

Top reviews from other countries

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  • Manuel Armada Oya
    5.0 out of 5 stars C¨®modo y bonito.
    Reviewed in Spain on May 6, 2025
    Verified Purchase
    Muy c¨®modo en la mano y muy bonito.
    Report
  • Missharkiss
    5.0 out of 5 stars Best mechanical pencil ever
    Reviewed in the United Kingdom on May 24, 2024
    Verified Purchase
    It¡¯s such a great pencil and writes so smoothly that I sometimes forget that it¡¯s a pencil.

    The rotating mechanism inside ensures that it always stays in shape and never feels scratchy on any paper I have tried it on. Bought it for my daily planner, but now I use it in Murdle as it¡¯s really easy to erase.

    It feels really comfortable to hold as you¡¯re writing or drawing. Works perfectly well with my mini aluminium ruler.
    Customer image
    Missharkiss
    5.0 out of 5 stars
    Best mechanical pencil ever

    Reviewed in the United Kingdom on May 24, 2024
    It¡¯s such a great pencil and writes so smoothly that I sometimes forget that it¡¯s a pencil.

    The rotating mechanism inside ensures that it always stays in shape and never feels scratchy on any paper I have tried it on. Bought it for my daily planner, but now I use it in Murdle as it¡¯s really easy to erase.

    It feels really comfortable to hold as you¡¯re writing or drawing. Works perfectly well with my mini aluminium ruler.
    Images in this review
    Customer image
  • SLT
    5.0 out of 5 stars Der Druckbleistift uni-ball Kuru Toga High Grade Premium Edition mit Silbergeh?use M-1017
    Reviewed in Germany on November 2, 2024
    Verified Purchase
    Der **uni-ball Kuru Toga High Grade Premium Edition Druckbleistift** in Silber (Modell M-1017) ist ein innovativer mechanischer Bleistift, der speziell f¨¹r Konsistenz und Pr?zision beim Schreiben und Zeichnen entwickelt wurde. Hier sind die wichtigsten Merkmale:

    ### Vorteile des uni-ball Kuru Toga High Grade Premium Edition:

    1. **Kuru Toga-Mechanismus f¨¹r gleichm??igen Schreibfluss**: Der Kuru Toga-Druckbleistift ist mit einem einzigartigen Drehmechanismus ausgestattet, der die Mine kontinuierlich dreht. Mit jeder Bewegung des Stiftes dreht sich die Mine ein wenig, sodass sie gleichm??ig abgenutzt wird und eine konstant scharfe Spitze beibeh?lt. Dies sorgt f¨¹r pr?zise Linien und verhindert die typischen Minenflachstellen, die beim Schreiben entstehen k?nnen.

    2. **Hochwertiges Silbergeh?use**: Die Premium Edition zeichnet sich durch ein elegantes, hochwertiges Metallgeh?use in Silber aus, das nicht nur optisch ansprechend ist, sondern auch f¨¹r Stabilit?t und ein angenehmes Schreibgef¨¹hl sorgt. Das robuste Geh?use liegt gut in der Hand und bietet eine angenehme Balance, was den Stift ideal f¨¹r l?ngere Schreib- oder Zeichensessions macht.

    3. **Einstellbare Minenh?rte und Benutzerfreundlichkeit**: Der Kuru Toga kann mit verschiedenen Minenh?rten (z. B. HB, B, H) verwendet werden, was ihn vielseitig und anpassungsf?hig f¨¹r unterschiedliche Schreibbed¨¹rfnisse macht. Er ist f¨¹r pr?zises Arbeiten ausgelegt, egal ob f¨¹r Notizen, technische Zeichnungen oder Skizzen.

    ### Fazit:
    Der **uni-ball Kuru Toga High Grade Premium Edition** bietet ein hervorragendes Schreibgef¨¹hl und eignet sich besonders f¨¹r detailverliebte Nutzer, die Wert auf ein gleichm??iges Schriftbild legen. Das elegante Design und die durchdachte Funktionalit?t machen ihn zu einer gro?artigen Wahl f¨¹r alle, die einen professionellen und langlebigen Druckbleistift suchen.
  • Nario
    5.0 out of 5 stars A well balanced mechanical pencil
    Reviewed in India on February 18, 2025
    Verified Purchase
    Has a good forward balance for ease of writing without too much pressure. Build quality is excellent. Paired with 2b or 4b pencil, it's a great all-rounder !!
  • Penpal
    5.0 out of 5 stars A Must-Have Mechanical Pencil for Artists and Writers!
    Reviewed in Australia on June 20, 2023
    Verified Purchase
    I recently discovered this mechanical pencil with a built-in rubber, and it's a game-changer! It's perfect for artists and writers alike.

    The built-in rubber is incredibly convenient. It's right at the top of the pencil, making erasing quick and hassle-free. No need to search for a separate eraser anymore! It saves time and keeps the creative flow going.

    Using this pencil is a joy. It has a comfortable grip, allowing for long hours of drawing or writing without discomfort. The weight and balance are just right, giving precise control over every stroke.

    For drawing, this pencil is fantastic. The lead dispenses smoothly, creating clean and bold lines. It's great for detailed illustrations and shading. Plus, the lead is sturdy and doesn't break easily, even during intricate work.

    Not only is it great for drawing, but it's also perfect for writing. The fine lead provides a smooth writing experience, making note-taking and handwriting a pleasure.

    Durability is impressive too. It's built to last, with smooth lead advancement and no jamming issues. This pencil will be your reliable companion for a long time.

    In summary, I highly recommend this mechanical pencil with a built-in rubber. It's a must-have for artists and writers. The convenience, precision, and durability make it an essential tool. Whether you're sketching, shading, or writing, this pencil will exceed your expectations.