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Approved - knives withdrawn from private collections, checked, overhauled and certified by Coltelleria Collini

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11 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 - 0308BLKTS - Tigerstripe CPM-20CV & Titanium - PRIVATE COLLECTION - knife

    KNIFE WITHDRAWN FROM PRIVATE COLLECTION
    * Origin: Withdrawn from a private collection, previously purchased and used
    * Condition: Like new, never used, no packaging
    * Available on the market: Out of production
    * Sharpness: Factory sharp
    * Marks on blade: None
    * Marks on handle: None
    * Box: -
    * Sheath: -
    * Manuals, Certificates, and Warranties: -
    * Checked and certified by our in-house laboratory

     

    Intended use: Sports / Tactical

    Type of production: Industrial
    Country of production: USA
    Blade: CPM-20CV stainless steel
    Blade finish: Tigerstripe black-oxide BlackWash
    Handle: Titanium and G10
    Blade length: 95mm.
    Blade thickness: 4mm.
    Closed length: 132mm.
    Total length: 241mm.
    Weight: 196g.
    Closing system: Frame Lock
    Clip: removable and reversible, stainless steel with Black PVD treatment
    Opening system: Carson Flipper type on KVT ball bearings
    Packaging: cardboard box with Zero Tolerance logos
    Notes: knife previously purchased and used, from a private collection

    ZT-0308BLKTS-CP
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  4. Case Cutlery - Mini Copperlock Amber - 00133 - PRIVATE COLLECTION - knife

    RETIRED FROM PRIVATE COLLECTION
    Origin: Withdrawn from a private collector, previously purchased
    Condition: Like new
    Availability: Available on the market
    Sharpening: Factory edge
    Blade marks: None
    Handle marks: None
    Box: Original cardboard box
    Sheath: -
    Manuals, Certificates, and Warranty: Yes
    Inspected and Certified by our in-house laboratory
     
    The Case Mini CopperLock® 00133 is a sleek and compact folding knife that embodies the authenticity and timeless charm of American tradition. This model, part of Case’s renowned Amber Bone line, features a natural bone handle with the classic “Peach Seed Jig” finish, a signature of the brand. With a design that blends elements of the Trapper and Copperhead patterns, the Mini CopperLock® combines traditional style with modern functionality.
     
    Equipped with a Tru-Sharp™ stainless steel Clip blade with a mirror-polished finish, it delivers excellent cutting power, edge retention, and corrosion resistance.
     
    The back lock mechanism ensures safe and secure operation. Ideal for collectors or everyday use, this knife is entirely made in Bradford, Pennsylvania (USA), a hallmark of Case craftsmanship. An iconic piece for those seeking functionality, beauty, and history in one pocket tool.

    Intended use: Collection and EDC (Everyday Carry)
    Production type: Industrial
    Country of manufacture: USA
    Blade: Tru-Sharp™ stainless steel
    Blade finish: Mirror polished
    Handle: Amber Bone Peach Seed Jig
    Blade length: 69mm
    Blade thickness: 2.3mm
    Closed length: 107mm
    Total length: 176mm
    Closed thickness: 10mm
    Weight: 56g
    Locking mechanism: Back Lock
    Clip: None
    Packaging: Cardboard box with Case logos
    Notes: Iconic Case model, available in limited quantities

    AP-00133
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  5. 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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  6. PDT - Zero Tolerance - ZT0006 - CPM-3V & OD Green G10 - PRIVATE COLLECTION by Floriano - knife

    Exclusive product created in collaboration with the PDT YouTube channel - The Cutthroat's Park. This unique knife was actually used in a field test that you can view directly in this product sheet.

    To make it even more special, we engraved Floriano's autograph and the PDT logo on the blade. The box of the knife was also autographed by Floriano making it a must-have collector's item.

    KNIFE WITHDRAWN FROM PRIVATE COLLECTION
    * Provenance: Floriano of the PDT Parchetto del Tagliagole.
    * Condition: Overall in good condition.
    * Commercially available: Still in catalog.
    * Sharpening: Factory sharpened, stropped by Floriano after use.
    * Marks on blade: Signs of concrete use on blade finish.
    * Marks on handle: None
    * Box: Present
    * Scabbard: Present
    * Manuals, Certificates and Warranties: /
    * Checked and Certified by our in-house laboratory

    Intended Use: Sporting

    Production Type: Industrial
    Country of Production: USA
    Blade: full tang in CPM-3V steel
    Blade treatment: Microbead blasting and Cerakote
    Handle: G10 with stainless steel guard
    Blade length: 152mm.
    Blade thickness: 4.8mm.
    Total length: 272mm.
    Handle thickness: 17.8mm.
    Weight: 292g.
    Sheath: kydex
    Packaging: cardboard box with ZT logos.
    Notes: knife used in a YouTube video review by Floriano of PDT

    PDT-ZT0006-CP
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    Rating:
    100%
    5
    Out of stock
  7. Zero Tolerance - ZT0630 Emerson Clip Point - PRIVATE COLLECTION - knife

    KNIFE WITHDRAWN FROM PRIVATE COLLECTION
    * Origin: Withdrawn from a private collection, previously purchased.
    * Condition: Overall in very good condition, minor marks on clip and hardware.
    * Commercially available: Discontinued
    * Sharpening: Factory sharpened, can be improved.
    * Marks on blade: None
    * Marks on handle: Small marks on clip and hardware.
    * Box: /
    * Scabbard: /
    * Manuals, Certificates and Warranties: / /
    * Checked and Certified by our in-house laboratory


    Intended Use: Tactical/Sporting

    Production Type: Industrial
    Country of Production: USA
    Blade: Stainless steel S35VN
    Blade finish: Satin finish
    Handle: G10 and Titanium stonewashed
    Blade length: 91mm.
    Blade thickness: 3.6mm.
    Length closed: 124mm.
    Total length: 216mm.
    Thickness when closed: 13mm.
    Weight: 178g.
    Closure: Frame Lock
    Clip: Removable and multi-position, stainless steel
    Packaging: not present
    Notes: previously purchased knife from a private collection - made in collaboration with Emerson Knives - Patented Wave opening system

    ZT0630-CP
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  8. Zero Tolerance - Emerson Tanto - Carbon Fiber - ZT0620CF - PRIVATE COLLECTION - knife

    KNIFE WITHDRAWN FROM A PRIVATE COLLECTION

    * Origin: Withdrawn from a private individual, previously purchased
    * Condition: like new
    * Commercially available: no longer in production
    * Sharpening: original
    * Marks on blade: -
    * Marks on handle: -
    * Box: NO
    * Sheath: NO
    * Manuals, Certificates and Guarantees: NO
    * Checked and Certified by our internal laboratory

    Intended use: Tactical/Military

    Type of production: Industrial
    Blade production: USA
    Blade: CTS204P stainless steel
    Blade treatment: -
    Handle: Carbon Fiber and Titanium stonewashed
    Blade length: 91mm.
    Blade thickness: 3.6mm.
    Length closed: 124mm.
    Total length: 216mm.
    Thickness when closed: 13mm.
    Balance: -
    Weight: 178g.
    Closure: Frame Lock
    Clip: Removable and multi-position, in stainless steel
    Sheath: -
    Packaging: cardboard box with Zero Tolerance logos
    Notes: in collaboration with Emerson Knives - Patented Wave opening system

    APZT620CF
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  9. Zero Tolerance - Sinkevich knife Flipper Titanium - ZT0456 - PRIVATE COLLECTION - knife

    KNIFE WITHDRAWAL FROM A PRIVATE COLLECTION
    * Type: Previously purchased
    * Condition: in like new condition
    * Commercially available: discontinued
    * Sharpening: factory sharpening
    * Marks on blade: no marks
    * Marks on the handle: no marks
    * Box: original ZT box
    * Manuals, Certificates and Warranties: -
    * Checked and certified by our internal laboratory Coltelleria Collini

    Intended use: Sports / Collection

    Type of production: Industrial
    Production Lama: USA
    Blade: CTS-204P stainless steel
    Blade treatment: stone washed and satin finish
    Handle: Titanium with anodized spacers
    Blade length: 87mm.
    Blade thickness: 4mm.
    Closed length: 112mm.
    Total length: 193mm.
    Thick when closed: 14mm.
    Weight: 178g.
    Closure: Framelock
    Clip: Removable, reversible, in stainless steel
    Packaging: cardboard box with Zero Tolerance logos
    Notes: Design by Dmirty Sinkevich - KVT opening on ball bearings

    AP-ZT0456-2
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  10. 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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  11. We Knife Co. - Framelock Flipper knife Dual Tone Gray - PRIVATE COLLECTION - 605E - knife

    Knife withdrawn from a private collection - Model discontinued by WE KNIFE - Like new condition, with original packaging - Checked, certified by our internal laboratory Collini Cutlery

    Intended use: Sports / Collection

    Type of production: Industrial
    Country of production: China
    Blade: CPM-S35VN 59 / 61HRC stainless steel
    Blade treatment: dual tone, satin & black PVD
    Handle: 6AL4V titanium machined with numerical control
    Blade length: 77mm.
    Blade thickness: 4mm.
    Length closed: 101mm.
    Total length: 178mm.
    Weight: 114g.
    Closing: Framelock
    Clip: 6AL4V titanium
    Packaging: cardboard box with We Knife Co. logos
    Notes: Carson Flipper opening system on ceramic ball bearings

    WK-605E-CP
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11 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.