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  1. Sandrin knives - Gyuto Kitchen Knife - Tungsten Carbide Blade - 18 cm - knife

    With the Sandrin knives brand, Turmond manufactures the blades of its knives using tungsten carbide which, through a sophisticated manufacturing process, reach the extraordinary hardness of 71 HRC, while maintaining at the same time a high torsion capacity and resilience.

    Combining the popularity of the western chef's knife with a shorter Japanese-style blade, the Sandrin Gyuto is born, the perfect cutting tool, ideal for mincing, and slicing meats and vegetables.

    This handy kitchen knife, with a Sandrin patented tungsten carbide blade with StaySharp Technology ™, keeps a clean and sharp edge longer than traditional steel blades.

    Intended use: kitchen utility

    Total length: 300mm
    Blade length: 180mm
    Blade thickness: 0.91mm
    Blade material: hardness 71 HRC polyhedral tungsten carbide
    Handle material: polymer
    Black colour
    Weight: 136 grams
    Country of production: Italy

    SK-GYUTO
    €204.10
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  2. Sandrin knives - Nakiri Kitchen Knife - Tungsten Carbide Blade - 18 cm - knife

    With the Sandrin knives brand, Turmond manufactures the blades of its knives using tungsten carbide which, through a sophisticated manufacturing process, reach the extraordinary hardness of 71 HRC, while maintaining at the same time a high torsion capacity and resilience.

    Thanks to its straight cutting surface, the Nakiri model is ideal for vegetables and raw fish and is used by sushi chefs all over the world.

    This handy kitchen knife, with a Sandrin patented tungsten carbide blade with StaySharp Technology ™, keeps a clean and sharp edge longer than traditional steel blades.

    Intended use: kitchen utility

    Total length: 280mm
    Blade length: 180mm
    Blade thickness: 0.91mm
    Blade material: hardness 71 HRC polyhedral tungsten carbide
    Handle material: polymer
    Black colour
    Weight: 134 grams
    Country of production: Italy

    SK-NAKIRI
    €187.70
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  3. Sandrin knives - Santoku Kitchen Knife - Tungsten Carbide Blade - 14 cm - knife

    With the Sandrin knives brand, Turmond manufactures the blades of its knives using tungsten carbide which, through a sophisticated manufacturing process, reach the extraordinary hardness of 71 HRC, while maintaining at the same time a high torsion capacity and resilience.

    Santoku is a perfect balance between Gyuto and Nakiri. The shorter blade length helps to cut meats, cheeses, vegetables and fruit. Through the curvature of the blade, it maintains an oscillating forward movement while cutting.

    This handy kitchen knife, with a Sandrin patented tungsten carbide blade with StaySharp Technology ™, keeps a clean and sharp edge longer than traditional steel blades.

    Intended use: kitchen utility

    Total length: 260mm
    Blade length: 140mm
    Blade thickness: 0.91mm
    Blade material: hardness 71 HRC polyhedral tungsten carbide
    Handle material: polymer
    Color: Black PVD Coating
    Weight: 117 grams
    Country of production: Italy

    SK-Santoku
    €187.70
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  4. Sandrin knives - 4inch Kitchen Utility Knife - Tungsten Carbide Blade - 12 cm - knife

    With the Sandrin knives brand, Turmond manufactures the blades of its knives using tungsten carbide which, through a sophisticated manufacturing process, reach the extraordinary hardness of 71 HRC, while at the same time maintaining a high torsion capacity and resilience.

    4inch is a mixture between a kitchen knife and a steak knife. Perfectly suited for small cutting tasks in the kitchen or as a faithful and sharp companion at the table for cutting steaks.

    This handy kitchen knife, with a Sandrin patented tungsten carbide blade with StaySharp Technology ™, keeps a clean and sharp edge longer than traditional steel blades.

    Intended use: kitchen utility

    Total length: 220mm
    Blade length: 125mm
    Blade thickness: 0.91mm
    Blade material: hardness 71 HRC polyhedral tungsten carbide
    Handle material: polymer
    Color: Black PVD Coating
    Weight: 78 grams
    Country of production: Italy

    SK-4inch
    €122.13
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  5. ExtremaRatio - Psycho 19cm. - Chef's knife



    TACTICAL KNIVES MEET THE KITCHEN!
    Extrema Ratio is delighted to apply the strict military standards to a range of professional kitchen knives.

    The steel blade is the proven BOHLER N690, a steel enriched with chrome, vanadium, molybdenum and cobalt, hardened to the hardness of 58HRC. The handle is made of Forprene, an elastomer that is in the "NATO standard" for resistance to extreme conditions, and is completely removable from the blade; this makes possible a thorough cleaning and maintenance of the knife.

    Each knife comes with its own sheath, also of military origin, which does not take into account the rules of hygiene but ensures safe transport dell'affilatissima blade and protection from shocks that could reduce efficiency. We recommend to use it only for the transport and in the event of long periods of inactivity.

    Use: meat / vegetables

    Type of production: Industrial
    Production Lama: Italy
    Blade: stainless steel hardened 58HRC N690Co
    Treatment Lama: -
    Handle: Forprene
    Blade length: 199mm.
    Blade thickness: 4mm.
    Overall length: 331mm.
    Weight: 280g.
    Sheath: black leather
    Packaging: Cardboard box with logos Extrema Ratio
    Note: Can also be used as a knife or sports collectibles

    12326
    €302.46
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  6. ExtremaRatio - Psycho Desert Camo 15cm. - Chef's knife



    TACTICAL KNIVES MEET THE KITCHEN!

    Extrema Ratio is delighted to apply the strict military standards to a range of professional kitchen knives.

    The steel blade is the proven BOHLER N690, a steel enriched with chrome, vanadium, molybdenum and cobalt, hardened to the hardness of 58HRC. The handle is made of Forprene, an elastomer that is in the "NATO standard" for resistance to extreme conditions, and is completely removable from the blade; this makes possible a thorough cleaning and maintenance of the knife.

    Each knife comes with its own sheath, also of military origin, which does not take into account the rules of hygiene but ensures safe transport dell'affilatissima blade and protection from shocks that could reduce efficiency. We recommend to use it only for the transport and in the event of long periods of inactivity.

    Use: meat / vegetables

    Type of production: Industrial
    Production Lama: Italy
    Blade: stainless steel hardened 58HRC N690Co
    Treatment Lama: Laser Desert Camo
    Handle: Forprene
    Blade length: 153mm.
    Blade thickness: 4mm.
    Overall length: 287mm.
    Weight: 259g.
    Sheath: Cordura, compatible M.O.L.L.E.
    Packaging: Cardboard box with logos Extrema Ratio
    Note: Can also be used as a knife or sports collectibles

    12325
    €200.00
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    Rating:
    87%
    4.4
    Out of stock
  7. ExtremaRatio - Psycho Desert Warfare 19cm. - Chef's knife



    TACTICAL KNIVES MEET THE KITCHEN!

    Extrema Ratio is delighted to apply the strict military standards to a range of professional kitchen knives.

    The steel blade is the proven BOHLER N690, a steel enriched with chrome, vanadium, molybdenum and cobalt, hardened to the hardness of 58HRC. The handle is made of Forprene, an elastomer that is in the "NATO standard" for resistance to extreme conditions, and is completely removable from the blade; this makes possible a thorough cleaning and maintenance of the knife.

    Each knife comes with its own sheath, also of military origin, which does not take into account the rules of hygiene but ensures safe transport dell'affilatissima blade and protection from shocks that could reduce efficiency. We recommend to use it only for the transport and in the event of long periods of inactivity.

    Use: meat / vegetables

    Type of production: Industrial
    Production Lama: Italy
    Blade: stainless steel hardened 58HRC N690Co
    Treatment Lama: Laser Desert Camo
    Handle: Forprene
    Blade length: 199mm.
    Blade thickness: 4mm.
    Overall length: 331mm.
    Weight: 280g.
    Sheath: Cordura, compatible M.O.L.L.E.
    Packaging: Cardboard box with logos Extrema Ratio
    Note: Can also be used as a knife or sports collectibles

    12322
    €216.39
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    Out of stock
  8. ExtremaRatio - Psycho 15cm. - Chef's knife



    TACTICAL KNIVES MEET THE KITCHEN!

    Extrema Ratio is delighted to apply the strict military standards to a range of professional kitchen knives.

    The steel blade is the proven BOHLER N690, a steel enriched with chrome, vanadium, molybdenum and cobalt, hardened to the hardness of 58HRC. The handle is made of Forprene, an elastomer that is in the "NATO standard" for resistance to extreme conditions, and is completely removable from the blade; this makes possible a thorough cleaning and maintenance of the knife.

    Each knife comes with its own sheath, also of military origin, which does not take into account the rules of hygiene but ensures safe transport dell'affilatissima blade and protection from shocks that could reduce efficiency. We recommend to use it only for the transport and in the event of long periods of inactivity.

    Use: meat / vegetables

    Type of production: Industrial
    Production Lama: Italy
    Blade: stainless steel hardened 58HRC N690Co
    Treatment Lama: Glazing
    Handle: Forprene
    Blade length: 153mm.
    Blade thickness: 4mm.
    Overall length: 287mm.
    Weight: 259g.
    Sheath: black leather
    Packaging: Cardboard box with logos Extrema Ratio
    Note: Can also be used as a knife or sports collectibles

    12321
    €275.41
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8 Items

Professional Kitchen Knives: Complete Guide to the Perfect Choice

Choosing a professional kitchen knife means improving precision, safety, and pleasure in cooking. For over 50 years, Coltelleria Collini has been selecting and testing the best international kitchen knives, collaborating exclusively with official brands and historical manufacturers. Whether you are a chef, an advanced enthusiast, or a demanding home cook, here you will find cutting tools designed to last over time and guarantee consistent performance.

In this category, you will find a complete selection of Japanese, German, Italian, and professional kitchen knives, chosen by blade type, steel, hardness (HRC), and ergonomics, to cover every cooking style and cutting technique.

Japanese Knives & Damascus

Razor-sharp edges, very acute cutting angles, and high-hardness steels (up to 61–63 HRC). The Japanese tradition of Seki is represented by brands like Kai and Miyabi (Zwilling Group), the CROMOVA steel of Global, and the versatility of Kai Wasabi. Ideal for those seeking pure cutting performance, precision, and control.

European Tradition – Forged

Robust, balanced, and easy-to-sharpen knives, designed for intensive daily use. German excellence from Solingen with Wüsthof and Zwilling, combined with the Swiss practicality of Victorinox. The ideal choice for professional kitchens, catering, and advanced home use.

Made in Italy & Blade Types

Italian artisanal tradition with Coltellerie Berti, Due Cigni, and Sanelli. Choose the right knife for every preparation: Chef's Knife, Santoku, as well as complete sets and steak knives.

Why buy kitchen knives from Coltelleria Collini

We don't just sell "blades," but tools for work and passion. Since 1968, Coltelleria Collini has been a reference point for chefs, professionals, and cooking enthusiasts.

  • Official Retailers for all featured brands, with guaranteed authenticity.
  • Professional sharpening service in-house to restore the edge.
  • Real consultation: we help you choose between Chef, Santoku, Nakiri, or Slicing knives.

Kitchen Knives Catalog PDF Want to know more? Download the Kitchen Knives Catalog for free (PDF)

Kitchen Knives FAQ

Is a Japanese or European knife better?

Japanese knives are harder, with sharpening angles around 15°, ideal for extremely precise but more delicate cuts. European knives (German and Italian) are more robust, easier to resharpen, and more tolerant to impact, perfect for intensive use.

Can professional kitchen knives go in the dishwasher?

No, it is strongly discouraged. Aggressive detergents, high temperatures, and impacts damage the edge and the blade surface. It is always preferable to wash knives by hand and dry them immediately after use.