Sport, Military and Collectible Knives | Coltelleria Collini
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ExtremaRatio - Fat Boy - Satin N690Co & Black G10 - Knife
FAT BOY is the strongest fixed blade knife Extrema Ratio has ever produced. It is the first knife made of N690Co steel (58HRC) with a thickness of 8.6 mm. The total weight of this model is 1 kg.
The blade, characterized by a completely flat edge, has a special tip structure that not only combines the ability to penetrate with the possibility of using it as a wedge, but also protects the main cutting edge. Thanks to its shape and width, it can also dig small holes in the ground in emergency situations.
The thick spine, flat at the end, gives the tool greater mass and a striking surface that is useful for driving stakes and hammers. Fat Boy has a handle made of 2 black G10 handle scales in the new original Extrema Ratio design. They are removable and interchangeable and allow inspections and checks under the handle as well as the attachment of paracord.
Intended use: Heavy DutyType of production: Industrial
Country of manufacture: Italy
Blade: Full tang, 58HRC Bohler N690Co stainless steel
Blade treatment: Dark stonewashed
Handle: G10
Length of the blade: 210mm.
Thickness of the blade: 8.6 mm.
Total length: 350 mm.
Weight: 1008g.
Sheath: Cordura, belt, MOLLE compatible
Packaging: Cardboard box with Extrema Ratio logosER-FATBOY-SA€622.95Only 99 leftOnly 99 left
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.