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Approved - knives withdrawn from private collections, checked, overhauled and certified by Coltelleria Collini

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9 Items

  1. Zero Tolerance - Strider Fixed - Tungsten DLC CPM-S30V & OD Green G10 - PRIVATE COLLECTION - ZT0121 - knife

    PREVIOUSLY PURCHASED KNIFE, FROM A PRIVATE COLLECTION
    * Origin: Acquired from a private seller, previously purchased
    * Condition: In excellent mechanical condition - good cosmetic condition
    * Commercially available: Discontinued
    * Sharpening: Professionally resharpened
    * Marks on blade: Several signs of oxidation on the blade and minor abrasions, which do not compromise its practical use
    * Marks on handle: None
    * Box: Missing
    * Sheath: In excellent condition
    * Manuals, Certificates, and Warranties: None
    * Inspected and certified by our in-house laboratory

     

    Intended Use: Tactical

    Manufacturing Type: Industrial
    Country of Manufacture: USA
    Blade: Full tang, CPM-S30V steel
    Blade Finish: Tungsten DLC
    Handle: G-10 with 3D machining
    Blade length: 105 mm.
    Blade thickness: 4.5 mm.
    Overall length: 205 mm.
    Balance: 1.5 cm rearward
    Weight: 264 g.
    Sheath: thermoformed Kydex
    Notes: designed by Mick Strider

    ZT0121-CP
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  2. Zero Tolerance - ZT0100 by Ken Onion - Black DLC CPM-3V & Black G10 - PRIVATE COLLECTION - knife

    KNIFE FROM A PRIVATE COLLECTION
    * Origin: Previously purchased knife from a private collection
    * Condition: 2008 model, overall in excellent condition
    * Commercial Availability: Discontinued
    * Sharpness: Factory-sharpened, could be improved
    * Blade Condition: Minor cosmetic marks on the DLC finish due to age
    * Handle Condition: None
    * Box: -
    * Sheath: Included
    * Manuals, Certificates, and Warranties: -
    * Inspected and Certified by our in-house laboratory

    The Zero Tolerance 0100 is one of the first knives produced by Zero Tolerance, the premium division of Kai USA, which was launched in 2006 to develop professional tools for military personnel, law enforcement, and first responders. The 0100 model was, in fact, one of the first three fixed-blade knives in the original lineup, alongside the 0121 and 0150 models.

    The design bears the unmistakable stylistic signature of Ken Onion, the renowned American designer already responsible for numerous successes at Kershaw. The distinctive “S”-curved blade offers an unusual combination of cutting ability, power, and precision, making the ZT0100 suitable for both tactical applications and the most demanding outdoor use.

    For its construction, Zero Tolerance chose CPM 3V, a steel then considered cutting-edge for its strength and impact resistance, paired with a tungsten DLC coating and three-dimensionally machined G-10 scales. This combination helped solidify the brand’s early reputation as a manufacturer of “overbuilt” knives, designed without compromise for field use.

    Today, the ZT 0100 is a discontinued model particularly prized by collectors, as it is considered one of the knives that helped define the Zero Tolerance brand’s identity in its early years.

     

    Intended Use: Tactical / Sporting / Collectible

    Production Type: Industrial
    Country of Manufacture: USA
    Blade: Full tang, CPM-3V carbon steel
    Blade Finish: Tungsten DLC coating
    Handle: G10
    Blade Length: 146mm.
    Blade thickness: 4.8 mm.
    Overall length: 267 mm.
    Weight: 317 g.
    Sheath: Nylon, belt-mounted, with thermoformed Kydex lining
    Packaging: -
    Notes: Previously purchased knife, from a private collection

    ZT0100-CP
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  3. Zero Tolerance - Strider Onion Folder - CPM-MagnaCut - SPRINT RUN - PRIVATE COLLECTION - ZT0350OLTS

    Knife withdrawn from a private collection

    • Origin: Withdrawn from a private owner, previously purchased and used
    • Condition: Like new
    • Availability: Discontinued
    • Factory edge: Yes
    • Blade marks: None
    • Handle marks: None
    • Box: Not included
    • Sheath: Not included
    • Manuals, Certificates, and Warranties: Not included
    • Inspected and certified by our internal laboratory

    One of our first ZT models and still one of the most popular, now offered in a limited edition with a CPM-MagnaCut steel blade.

    The 0350 is a large and aggressive knife, yet compact and light enough to make it a practical and highly effective EDC. It features ZT's assisted opening system: the blade deploys quickly and easily, even with gloves, thanks to the ambidextrous flipper. The blade is finished with a bold and distinctive tiger-stripe pattern created with tungsten DLC coating.

    Intended use: Tactical / Military

    • Production type: Industrial
    • Country of origin: USA
    • Blade material: CPM-MagnaCut steel
    • Blade finish: Tungsten DLC Coating
    • Handle: G-10
    • Blade length: 90mm
    • Blade thickness: 3mm
    • Closed length: 115mm
    • Overall length: 195mm
    • Closed thickness: 13mm
    • Weight: 162g
    • Locking mechanism: Liner Lock
    • Clip: Removable, multi-position, stainless steel
    • Packaging: Not included
    • Notes: Sprint Run edition with CPM-MagnaCut steel - Design by Mick Strider and Ken Onion - SpeedSafe opening system
    AP-ZT0350OLTS
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  4. Strider Knives - Fixed Tanto Tiger Stripe knife - PRIVATE COLLECTION - knife

    KNIFE WITHDRAWN FROM PRIVATE COLLECTION
    * Type: Early 2000s knife, previously purchased.
    * Condition: Overall in good condition.
    * Commercially available Discontinued
    * Sharpening: Factory.
    * Marks on blade: Small abrasions given by being placed in Kydex sheath.
    * Marks on handle: None
    * Box: -
    * Scabbard: Present
    * Manuals, Certificates and Warranties: - -
    * Checked and Certified by our in-house laboratory


    Intended Use: Tactical

    Production type: MidTech
    Country of Production: USA
    Blade: full tang stainless steel CPM-S30V
    Finish: Tiger Stripe
    Handle: Paracord
    Blade length: 100mm.
    Blade thickness: 4.5mm.
    Total length: 195mm.
    Weight: 125g.
    Sheath: thermoformed kydex, with Tek-Lok multi-position attachment
    Notes: previously purchased knife, from private collection

    ST-FTTS-CP
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  5. Zero Tolerance - Ken Onion Flipper Knife - ZT0200ST - PRIVATE COLLECTION - knife

    KNIFE WITHDRAWN FROM PRIVATE COLLECTION

    Type: Previously Purchased
    Condition: in excellent condition
    Available in commerce: NO
    Sharpening: Original
    Marks on blade: YES - small marks
    Marks on handle: NO
    Packaging: YES, original box
    Checked and Certified by our internal laboratory
    Intended use: Tactical/Military

    Type of production: Industrial
    Country of production: USA
    Blade: In stainless steel 154CM
    Blade finish: Tungsten DLC Coating
    Handle: G10 with stainless steel liners
    Blade length: 101mm.
    Blade thickness: 4mm.
    Closed length: 132mm.
    Total length: 222mm.
    Thickness when closed: 21mm.
    Weight: 225g.
    Closure: Liner Lock
    Clip: Removable, reversible and multi-position, in stainless steel
    Packaging: -
    Notes: Design by Ken Onion - Opening system through Carson Flipper system - Knife out of production, withdrawn from private collection, like new, without box

    AP-ZT0200ST
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  6. Strider Knives - 2010 Tiger Stripe BG Gunner Grip Black G10 - PRIVATE COLLECTION - knife

    KNIFE WITHDRAWN FROM PRIVATE COLLECTION
    * Type: Previously Purchased
    * Condition: Overall in very good condition.
    * Commercially available Discontinued; Company no longer in operation as of 2017.
    * Sharpening: Factory.
    * Marks on blade: Normal marks, found on all Strider models with Tiger Stripe finish.
    * Marks on handle: None
    * Box: Originally sold unboxed
    * Scabbard: Original, in Khaki-colored Cordura, by Eagle USA.
    * Manuals, Certificates and Warranties:Originally sold without certificates or warranties.
    * Checked and Certified by our in-house laboratory



    Intended Use: Tactical / Collection

    Type of manufacture:Midtech
    Country of Production: USA
    Blade: Stainless steel CPM-S30V
    Blade Finish: Tiger Stripe
    Handle: Black G-10 with GG (Gunner Grip) pattern
    Blade length: 160mm.
    Blade thickness: 6.3mm.
    Total length: 298mm.
    Weight: 353g.
    Sheath: Khaki, cordura, by Eagle USA
    Packaging: -
    Notes: 2010 specimen in very good condition - Shows small scuff marks on the Tiger Stripe finish, which is common with any Strider model made with this matte blade finish - Strider knives have always been offered by the company without any box, packaging, manual or certificate - This historic company ceased operations in 2017, after a 25-year career - Mick Strider, the company's previous founding partner, is still in business and dedicated solely to making custom knives.

    AP-ST-BG-GG
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  7. Zero Tolerance - Strider Onion - Tigerstripe Black G10 - ZT0303 - PRIVATE COLLECTION - knife

    Knife from a private collection - Iconic and sought after model designed by Ken Onion and Mick Strider - Out of production and no longer available - Perfect in all, like new, serial 1544, does not have any kind of sign or defect - The knife shows an uncertainty at the tip, on the sharpening, which is slightly different; presumably already produced in this way by ZT - The sharpening is good and shows no signs of wear, presumably the sharpening is the original factory - Accompanied by original Zero Tolerance box, but referred to the model 0301 with green G10 handle - Checked and certified by our internal laboratory

     

    Intended Use: Collection / Tactical / Military

    Production type: Industrial
    Country of Production: USA
    Blade: Steel CPM-S30V
    Blade Finish: Tigerstripe - Tungsten DLC Coating
    Handle: Titanium and G-10 with 3D finish
    Blade Length: 95mm.
    Blade thickness: 4mm.
    Length closed: 133mm.
    Total length: 218mm.
    Thickness when closed: 17mm.
    Weight: 232g.
    Closure: Frame Lock
    Clip: Removable, Multiposition, Stainless Steel
    Package: Cardboard box with Zero Tolerance logos (the box refers to a different model, 0301)
    Notes: Design by Mick Strider and Ken Onion - SpeedSafe opening system - Like new - Retired from prvated collection

    ZT0303-CP
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  8. Strider Knives - AR Tiger Stripe - Flat G10 Scales S30V by Paul Bos - PRIVATE COLLECTION - knife

    Knife acquired from a private collection - Overall in very good condition, with factory sharpening - Rare version, one of the first, with flat G10 handle - Hardened by Paul Bos, with logo present on the right heel of the blade - It has some small signs of abrasion on the tigerstripe finish, common to all Strider knives - Checked and certified by our internal laboratory.

     


    Intended Use: Tactical

    Manufacturing Type: Mid Tech (semi-craft)
    Country of Production: USA
    Blade: Stainless steel CPM-S30V hardened by Paul Bos
    Blade Treatment: Tiger Stripe
    Handle: G10 flat with 2mm titanium liners
    Blade length: 103mm.
    Blade thickness: 5mm.
    Length closed: 137mm.
    Total length: 240mm.
    Thickness closed: 18mm.
    Weight: 228g.
    Closure: Liner Lock
    Clip: Titanium 
    Package: Nylon pouch with zipper 
    Notes: Rare version, one of the first, with G10 flat grip - Hardened by Paul Bos, with logo on the right heel of the blade

    ST-AR-CPR
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  9. CRKT - Hi Jinx Z by Ken Onion - K281KXP - PRIVATE COLLECTION - Pocket Knife

    KNIFE WITHDRAWN FROM A PRIVATE COLLECTION
    * Provenance: withdrawn from a private collection, previously purchased.
    * Condition: like new
    * Commercially available: discontinued
    * Sharpening: factory sharpened
    * Marks on the blade: None
    * Marks on the handle: None
    * Box: Present
    * Scabbard: /
    * Manuals, certificates and warranties: Available
    * Tested and certified by our in-house laboratory.

     

    Intended Use: Sporting

    Production Type: Industrial
    Country of manufacture: China
    Blade: Stainless steel 1.4116
    Blade finish: Satin surface
    Handle: GFN nylon
    Blade length: 84 mm.
    Blade thickness: 2.3 mm.
    Length closed: 120 mm.
    Total length: 203 mm.
    Weight: 139 g.
    Closure: Liner Lock
    Clip: Stainless steel, removable and reversible
    Packaging: Cardboard box with CRKT logo
    Notes: Ball bearing opening with IKBS system - Opening via Carson pinball system - Design by Ken Onion

    CK281KXP
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9 Items

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

Knives FAQ

What is the best knife brand?

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.

Is it legal to buy sports knives online?

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.