SKU: 30441328822

Tetsujin Blue 2 Tanryusen K-tip Gyuto 180/210/240 mm

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Description

Tetsujin Blue 2 Tanryusen K-tip Gyuto 180/210/240 mmK&S is pleased to bring the highly regarded Tetsujin () brand to our customers. More excitingly, we are also among the first resellers to introduce you the Tanryusen () Blue 2 line. Tanryusen literally translates into "the forged wave line". I think this pic below is self explanatory: the Tanryusen features some highly visible forging cloud on the iron cladding, very similar to the much loved and elusive Shigefusa cloud. The difference is that, often

K&S is pleased to bring the highly regarded Tetsujin (鉄人作) brand to our customers. More excitingly, we are also among the first resellers to introduce you the Tanryusen (鍛流線) Blue 2 line. Tanryusen literally translates into "the forged wave line".

I think this pic below is self-explanatory: the Tanryusen features some highly visible forging cloud on the iron cladding, very similar to the much loved and elusive Shigefusa cloud. The difference is that, often this type of forging lines are found on knives cladded with old wrought iron, which are usually rare and expensive; in contrast, the cladding cloud on Tanryusen is formed by great forging and sharpening techniques of the makers. 

 

(the highly visible cloud on the cladding of the Tetsujin Tanryusen line, resulted from Tetsujin's masterful forging and sharpening skills)

In case you are not familar with the Tetsujin brand, it is a collabration between two friends and colleagues: Toru Tamura and Naohito Myojin of Myojin Riki. It is famously carried by Konosuke Sakai as a sub-brand

Blacksmith: Toru Tamura (田村 徹)
Sharpener: Naohito Myojin (明神 直人)

======

Naohito Myojin (明神 直人) is a young sharpener based in Kochi prefecture. While his workshop Myojin Riki Seisakusho is probably not as famous as the established brands from Sakai and Echizen, he is the sharpener behind some of the very famous knife lines in the industry; noteabley the Tetsujin brand and the 'Fujiyama' line by Konosuke. 

I think 'refined' is the best word to describe Naohito's work: while featuring proven cutting performance, his knife has some of the best finishes out there. The spine is nicely chamfered, choil is well polished. By engraving his name Naohito on to the knivves, you can tell that he must be really proud of his work, and I trust you will enjoy his knife as well. 


Measurements 

180 mm 210 mm 240 mm
Weight 140 g 160 g 203 g
Total Length 313 mm 349 mm 382 mm
Tip to Heel Length 172 mm 201 mm 230 mm
Blade Height at Heel 44.2 mm 46.9 mm 49.7 mm
Width of Spine Above Heel 2.9 mm 3.2 mm 3.3 mm
Width of Spine at Middle of Blade 2.2 mm 2.2 mm 2.3 mm
Width of Spine at about 2cm from tip 0.9 mm 0.9 mm 0.9 mm

 

 

Steel: Blue 2 Steel with iron damascus cladding

Hardness: HRC 63-64

 

Handle Design: K&S Teak wood handle with options

 

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SKU: 30441328822

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Verified Purchase
Leah Ann Dillin
Los Angeles, US
★★★★★ 5
Cool and comfy
Color: Blue-ice Plus, Size: King(Pack of 1)
Great pillow. Keeps you cool.
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Reviewed in the United States on May 8, 2026
R
Verified Purchase
Rene
San Leandro, US
★★★★★ 5
Really Good Cooling Pillows for Sleeping
Color: Blue-ice Plus, Size: Queen(Pack of 2), Color: Blue-ice Plus, Size: Queen(Pack of 2)
These cooling pillows are very soft and provide excellent support for your head and neck. They are adjustable by taking our the stuffing if you need them to be more flat or less firm. The look great and comes in a pack of two which is a great value. During use, I did notice they have great shape retention and it does not take them long to return to their fluffy full shape. I am a hot sleeper and these do keep your head cool - just be aware using a pillow cover does reduce the cool ability but this allows you to adjust for weather like during winters to add a pillow case for extra warmth. Very happy with this purchase and got a second set to replace my old pillows.
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Reviewed in the United States on April 28, 2026
N
Verified Purchase
Nick
Charlottesville, US
★★★★★ 5
Amazing - Stop Scrolling and Buy This Pillow
Size: Queen (Pack of 1), Color: White
I have been an Amazon customer ever since the very beginning, and this is my first review. Not because I haven’t purchased tons of amazing things (and a few bad ones), just never felt the need. However, I researched pillows for longer than I care to admit, and decided on this one. I’ve had it for about six months and absolutely love it. No lie, I genuinely look forward lying my big head on it after a long day. I am a side sleeper, but flip flop all around through the night and it’s great in every position. Pros: Stays nice and cool, which is soothing regardless of the time of year. Has a sort of quilted textured pattern on the zip up cover, gives it a luxury feel, that breaths nicely even when a pillow case is added. The fill is fully adjustable to your preference. I knew it came with extra filling but was worried it would not be enough. Wrong. It was very full and I ended up taking some out until it was perfect. It comes vacuum sealed and suggests it may take some time to fully take shape. However, I found it to be about 90% almost instantly and was sleeping on it a couple hours later. There was no unpleasant scent sometimes associated with memory foam items. The foam itself is very nice, a mix of what appears to be shredded and cotton candy cloud like. Very brilliant idea, as it is somehow supportive, soft and firm all at once. The affordability of this pillow compared to some of the others in this category can’t be overstated. Oh, and the packaging was very thoughtfully and securely done. If you are like me, an over thinker, I would suggest just taking this for a spin. It’s amazing. I’m not a bot, or working for the company. I’m just truly satisfied, love this pillow, and have been sleeping great.
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Reviewed in the United States on April 6, 2026
K
Verified Purchase
k25
Grantham, US
★★★★★ 5
It's the perfect pillow!
Size: Queen (Pack of 1), Color: White
I purchased this pillow specifically for its customizable fill feature, which allows you to add or remove stuffing to suit your personal comfort needs. Due to the unique curvature of my cervical spine—forward at the neck rather than backward—I require a soft, semi-flat pillow rather than one that is thick or firm. Additionally, I often experience ear discomfort by morning, so a gentler surface is essential. Upon adjusting the fill, I was pleasantly surprised by the generous amount of stuffing included. There was enough to fill an additional pillowcase, and I estimate it could easily create four to five more pillows. The ability to modify the pillow’s firmness at any time is an outstanding feature that makes it adaptable for a wide range of preferences and sleep styles. This pillow has exceeded my expectations in both comfort and versatility. I highly recommend it to anyone seeking a personalized sleep experience.
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Reviewed in the United States on February 1, 2026
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NC Coach
Whiting, US
★★★★★ 4
Good quality pillows overall
Size: King (Pack of 2), Color: White
Got a set of these for my wife and myself as we were struggling with our old pillows. These have some really good qualities and some things we'd like to see changed. First, the good: These are look and feel like they are high quality and made with good materials. The foam itself has a very nice feel to it. We love the fact they are adjustable to add or remove foam. They come with a pretty substantial amount already in the pillow. We appreciate the CertiPur certification. Now the improvements or changes we'd like to see: The foam, while feeling great, doesn't bounce back well if you scrunch your pillows, and so every day you have to fluff and reshape the pillow, moreso than some other memory foam pillows we've owned. One side of the pillow is cooled and you can feel that even through the pillow case, and that's a great thing. However, one side is not cooled and we'd have preferred if both sides were made of the cooling material. Overall, these are good pillows and we are not disappointed with the purchase. They are not, however, our perfect pillows (which do seem hard to find), and at some point in the future will probably make their way to the guest bedroom. We would rate them as some of the better pillows we've tried and feel most people would probably like them.
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Reviewed in the United States on December 19, 2025

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