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Hattori "The Universe Series URANUS" SG-II San-Mai Special USG-1SM Gyuto 210mm (Purple Sugilite Malachite Gem-Composite-stone Spacer)

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Master Hattori is now 82 years old and is a Grand Master blade smith with over 60 years of knife making experience. He has devoted tremendous time and energy to making the finest knives, which have received praise from knife industry experts from around the world.

As you likely know, Hattori knives – such as the Hattori KD Series Cowry X Damascus Knives and the Hattori Forums FH Series – are recognized as true masterpieces and are praised for being very practical, they are the fruits of Hattori's many years of experience and hard work.

We have closely worked with Hattori to create the Hattori “The Universe Series". These special edition, limited quantity, 210mm San-Mai Gyuto knives utilize the reputable High Quality Japanese Powdered High Speed Tool Steel, SG-II. Master Hattori carefully selected the materials for these San-Mai (Three-piece laminated) knives: The blade is made with an SG-II Powdered High Speed Tool Steel core that is sandwiched between two layers of hard VG-2 stainless steel. This laminated blade construction provides extra strength and durability for the blade and the high carbon VG-2 stainless steel resists scratches and blade warpage. Hattori carefully selected these steel materials to ensure the creation of an efficient, practical knife that offers high cutting performance and excellent edge retention.

For many years, Master Hattori has been convinced that Linen Micarta is one of the most practical and efficient handle materials, so it is not surprising that a number of his famous knife collections —Including the Cowry X Damascus "KD Series" and VG-10 "Hattori FH Series"— have featured Linen Micarta Handles. Linen Micarta Handles provide excellent grip, are relatively strong and durable, and also resist shrinkage. The hand crafted Linen Micarta Handles of these knives are beautifully accented with a Purple Sugilite Malachite Gem-Composite-stone and also feature solid stainless steel bolsters and rivets. Each handle is hand contoured to fit your hand comfortably and, to create the perfect weight balance, the full-width blade tang has been tapered down.

Simple, efficient and beautiful contemporary styling - These are the best words to describe the Hattori Special Edition “The Universe, URANUS” Gyuto 210mm (Purple Sugilite Malachite Gem-Composite-stone Spacer). The availability of this knife is limited to only 4 Pcs. (Serial No.1 through to No.4).

The Gyuto is the Japanese version of the classic Western Chef’s knife. It can be used with a variety of different cutting techniques to achieve a wide range of kitchen tasks and is suitable for cutting the vast majority of meats, fish, vegetables and fruits. The Gyuto is a true multi-purpose knife.

β LIBRAE - Green Malachite Gem-Composite-stone Spacer 

URANUS - Purple Sugilite Malachite Gem-Composite-stone Spacer 

MARS - Red Spiny Oyster Gem-Composite-stone Spacer 

WHITE DWARF - White Turquoise Gem-Composite-stone Spacer 

NEPTUNE - Deep Blue Turquoise Gem-Composite-stone Spacer 

EARTH - Turquoise Gem-Composite-stone Spacer 


Knife Model: Hattori "The Universe Series URANUS" SG-II San-Mai Special USG-1SM Gyuto 210mm (Purple Sugilite Malachite Composite-stone Spacer)

Blade Material: SG-II San-Mai (SG-II core is sandwiched with VG-2 hard Stainless Steel)

Rockwell Hardness (HRc): 62

Blade Grind and Edge Shape: Double Bevel Edge 50/50

Handle Material: Linen Micarta / Purple Sugilite Malachite Gem-Composite-stone Handle with Stainless Steel Bolster

Saya Included: No.

 Gyuto 210mm (8.2")
Cutting edge length: 210mm
Total Length: 335mm
Blade Thickness: 2.4mm
Blade Width: 46mm
Handle Length: 118mm
Total Weight: 204g



About Left Handed Version

This knife comes with 50/50 double bevel edge geometry for both right and left handed use.  

For your information, Japanese Kitchen knives are generally designed for right hand use with a slightly thicker and rounded grinding on the right side blade and a less rounded (almost straight flat) grinding on the left side blade. However, both right and left hander can use the knives that have double bevel edge sharpened 50/50 without problems.  

Instructions & Maintenance

We believe the quality and cutting performance of Japanese knives are the best in the world, and hope you enjoy fine craftsmanship and sharp edge with your new knife. With proper cares, every Japanese knife should be your special cooking partner for long times. 


This is the Powdered High Speed Tool Steel blade kitchen knife that has a rust resistance for easy maintenance. However, it may get rust, if kept in wet condition.

  • Please do not put the knife in the dishwasher machine for cleaning.
  • Please do not leave the knife in water or wet condition for long time.
  • After using, please hand wash the blade, bolster and handle thoroughly, and wipe it clean and dry with soft clothes, and keep it in dry place.
  • This is an extremely sharp knife. Please use special cares in using and storing it.
  • Unlike German made knives, Japanese knife blades are ground to thin cutting edge for sharper cutting and easier re-sharpening. Please protect the edge from hitting hard materials to avoid chipping or cracking.
  • Please do not use it to cut bone or frozen foods, any hard shell foods such as lobster and crab..
  • We recommend using Japanese whetstones to re-sharpen the knife, when it gets dull.


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