Knife - Essential Tool for Camping, Outdoor Adventure and collection
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Extrema Ratio - Waki Knife 30cm. - N690 - PRIVATE COLLECTION - Collectible Knife
WITHDRAWN FROM A PRIVATE COLLECTION
- Type: Previously Purchased
- Condition: In excellent condition
- Market Availability: First version with leather sheath
- Factory Sharpened: Yes
- Blade Marks: None
- Handle Marks: None
- Packaging: Complete, cardboard box with manufacturer logos
- Sheath: Leather
- Manuals, Certificates, and Warranties: Warranty certificates
- Checked and Certified: By our internal laboratory
Intended Use: Roasting
- Production Type: Industrial
- Blade Production: Italy
- Blade: N690Co stainless steel, hardened to 58HRC
- Blade Treatment: Satin finish
- Handle: Forprene
- Blade Length: 300mm
- Blade Thickness: 6.5mm at the handle, 4mm on the blade
- Total Length: 433mm
- Weight: 336g
- Sheath: Black leather
- Packaging: Cardboard box with Extrema Ratio logos
- Note: Also suitable as a sports or collectible knife
Extrema Ratio has applied its rigorous military standards to a series of professional kitchen knives.
The blade is made of tested BOHLER N690 steel, enriched with chromium, vanadium, molybdenum, and cobalt, hardened to 58HRC. The handle is made of Forprene, an elastomer that meets NATO standards for resistance to extreme conditions and is fully removable from the blade, allowing for thorough cleaning and maintenance.
Each knife comes with its own sheath, also derived from military equipment. While not designed to meet hygiene regulations, it ensures safe transport of the extremely sharp blade and protects it from impacts that could reduce its efficiency. We recommend using the sheath only for transportation and long-term storage.
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Sports, Outdoor, Tactical, and Collectible Knives: The Collini Selection
For over 50 years, Coltelleria Collini has been a reference point in Italy for the world of specialized cutlery. Since 1968, we have been selecting sports, outdoor, professional, and collectible knives, collaborating exclusively with official brands, historical manufacturers, and master artisans.
In this category, you will find thousands of original knives, chosen for demanding collectors, EDC, outdoor, and bushcraft enthusiasts, as well as professional operators who require reliability, quality materials, and consistent performance over time.
Military & Tactical Knives
Knives designed for heavy-duty and professional use, where robustness and reliability are paramount. We select world-leading brands such as Extrema Ratio, Zero Tolerance, Ka-Bar, and Cold Steel. Fixed and folding blades developed to withstand extreme conditions.
Sports & Outdoor Knives
From trekking to hiking, from bushcraft to everyday carry (EDC). Discover the Italian excellence of Fox Knives and LionSteel, the Nordic solidity of Fallkniven, and great classics like Opinel and Spyderco.
Collectible & Rare Knives
Custom, vintage, limited edition, and discontinued knives. Through our Approved program, we acquire, evaluate, and certify private collections, offering our customers access to rare, display, and investment-grade blades.
Why choose Coltelleria Collini since 1968
We are not just an e-commerce site, but a historic cutlery shop with direct experience on the products we offer. Buying from us guarantees:
- Certified Originality: we are official dealers for all brands we carry.
- Real Stock with fast shipping.
- Qualified Assistance and technical advice before and after sales.
Knives FAQ
There is no absolute "best" brand, but specific leaders for each use. For tactical and professional use, Extrema Ratio and Zero Tolerance are top tier. For outdoor and EDC, Fox, LionSteel, Fallkniven, and Spyderco excel.
Yes, buying sports and collectible knives online is generally legal for adults. However, laws regarding carrying and transporting knives in public vary significantly by country. Always check your local regulations.