Sport, Military and Collectible Knives | Coltelleria Collini

PREVIOUSLY PURCHASED KNIFE, FROM A PRIVATE COLLECTION
* Origin: Acquired from a private seller, previously purchased
* Condition: Overall in excellent condition
* Commercially available: Discontinued
* Sharpening: Professionally resharpened
* Marks on blade: None
* Marks on handle: Minor signs of wear on the carbon fiber scales, visible mainly against the light
* Box: Included
* Sheath: Included
* Manuals, Certificates, and Warranties: Included
* Inspected and certified by our in-house laboratory

Intended use: sports / collection

Production type: industrial
Country of manufacture: Seki - Japan
Blade: ZDP-189 stainless steel, 67 HRC
Blade finish: Satin
Handle: Carbon fiber with stainless steel liners
Blade length: 70 mm.
Blade thickness: 2.5mm.
Closed length: 93mm.
Total length: 157mm.
Weight: 55g.
Closure: Liner Lock
Clip: Stainless steel, removable
Notes: Designed by Michael Walker - Sprint Run edition available only in 2010 - Withdrawn from a private collection, complete with box and manuals

Notes on the Designer

Michael Walker is to the knife industry what Michael Jordan is to basketball or Wayne Gretzky is to hockey. He shattered established standards, venturing into uncharted territory and elevating the art of knife-making to new heights of innovation and modernity.

In 1980, the folding knife industry had few locking innovations, and only the traditional Back Lock existed. In 1981, Walker invented, developed, and ultimately trademarked the Michael Walker LinerLock®, adding a leaf spring that locked the blade open, making it a true one-handed folding knife. He also included a latch to keep the blade closed by utilizing the force of the internal leaf spring, preventing it from opening in the user’s pocket.

This innovation paved the way for modern cutlery, enabling numerous new designs and future developments leading up to today’s SubFrame Lock, Frame Lock, Flipper Folder, and ball-bearing-equipped IKBS opening systems.

Other inventions include the “Lake and Walker Safety System” (LAWKS), BLADELock, Ball Bearing Lock, and Tough Lock.

Some of the manufacturers he has collaborated with include Spyderco, Columbia River Knife and Tool, Schrade, Böker, and Klotzli.

Walker’s knives and designs have inspired many other custom knife makers, notably Bob Terzuola and Ernest Emerson. Terzuola credits Walker with teaching him how to make a liner-lock folder, and Emerson has stated that seeing one of Walker’s knives at a gun show inspired him to become a knifemaker.

Walker’s knives can be found at the Artifex Gallery in Taos and in the most prestigious collections around the world.

PREVIOUSLY PURCHASED KNIFE, FROM A PRIVATE COLLECTION
* Origin: Acquired from a private seller, previously purchased
* Condition: Overall in excellent condition
* Availability on the market: Hard to find
* Sharpening: Factory-sharpened
* Marks on blade: A few small abrasions visible against the light on the mirror finish
* Marks on handle: None
* Box: Present and complete
* Sheath: /
* Manuals, Certificates, and Warranties: Present
* Inspected and Certified by our in-house laboratory

The Rockstead HIGO II in titanium is not simply a high-end folding knife: it is the ultimate embodiment of Japanese philosophy applied to cutting, where every detail is pushed to the limits of perfection.

The minimalist, flawless titanium handle serves as a counterpoint to a ZDP-189 blade hardened to extreme hardness and finished with an almost unreal mirror polish. The result is not merely aesthetic: it is a living surface, capable of gliding through material with a smoothness and continuity that few knives in the world can offer.

Rockstead’s proprietary convex geometry does more than just cut: it separates, controls, and guides. It is a blade designed for those who recognize the difference between extreme sharpness and true long-term efficiency.

The HIGO II is an object for connoisseurs, where tolerances, treatments, and finishes are not mere technical specifications, but part of a precise language.

Intended use: Collectible / Sport

Production type: Midtech
Country of manufacture: Sakai - Japan
Blade: ZDP-189 stainless steel, hardened to 66.5 HRC
Blade finish: mirror polished
Handle: titanium
Blade length: 90mm.
Blade thickness: 3mm.
Closed length: 120mm.
Total length: 216mm.
Closed thickness: 12.2mm.
Weight: 136g.
Opening mechanism: ambidextrous pivot 
Washers: brass
Closure: FrameLock with SKD11 striker at 61HRC
Clip: removable, 420J2 stainless steel with PVD coating
Packaging: Wooden box with Rockstead logos, certificate with serial number and steel hardness test
Notes: knife from a private collection, previously purchased

KNIFE WITHDRAWN FROM PRIVATE COLLECTION
* Origin: Withdrawn from a private collection, previously purchased
* Condition: 2022 model in excellent overall condition, a few imperceptible abrasions on the handle and a couple of superficial scratches visible only when held up to the light on the tip of the blade
* Available on the market: Difficult to find
* Sharpness: Factory sharp
* Marks on blade: a couple of superficial scratches visible only when held up to the light on the tip of the blade
* Marks on handle: a few imperceptible abrasions on the handle
* Box: Present and complete
* Sheath: /
* Manuals, Certificates, and Warranties: Present
* Checked and Certified by our in-house laboratory

The Rockstead brand, owned by Ishida Co. of Sakai, Japan, currently markets the best industrial knives currently in production.

Created by Katsumi Kitano, who has been producing high-quality knives for over 20 years and has been awarded the highest recognition among artisan knife makers in Japan, these knives are exceptional in terms of cutting ability, penetration, and edge retention, as well as in terms of innovation in the materials used and construction techniques.

Intended use: Collection / Sports

Type of production: Midtech
Country of production: Sakai - Japan
Blade: ZDP-189 stainless steel at 67.3 HRC
Blade treatment: Mirror polished
Handle: A7075 duralumin with Hv400 hardness anodization
Blade length: 70mm.
Blade thickness: 3.3 mm.
Closed length: 104 mm.
Total length: 176 mm.
Closed thickness: 11.4 mm.
Weight: 74 g.
Closure: FrameLock with SUS420J2 50 HRC latch
Clip: removable, 1mm SUS420J2 stainless steel with PVD treatment
Packaging: Wooden box with Rockstead logos, cardboard outer box, certificate with serial number and steel hardness test
Notes: Serial number 848 - Manufactured in 2022

KNIFE WITHDRAWN FROM PRIVATE COLLECTION
* Origin: Collected from a private individual, previously purchased and used.
* Condition: Overall in good condition, shows minor signs of wear on blade and clip.
* Commercially available: Discontinued
* Sharpening: Blade resharpened and polished.
* Marks on blade: Small signs of wear, especially on right side
* Marks on handle: Small signs of wear on clip, with paint partially removed
* Box: /
* Scabbard: /
* Manuals, Certificates and Warranties: / /
* Checked and Certified by our in-house laboratory

Intended Use: Sporting

Type of production: industrial
Blade: stainless steel ZDP-189
Blade finish: Satin finish
Country of manufacture: Japan
Handle: FRN with embedded stainless steel liners
Blade length: 75mm.
Blade thickness: 2.5mm.
Length closed: 107mm.
Total length: 180mm.
Weight: 72g.
Closure: Back Lock
Clip: removable, multi-position, stainless steel
Notes: previously purchased knife, from private collection

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

Intended Use: Sporting

Type of production: industrial
Blade: stainless steel ZDP-189
Blade finish: Satin finish
Country of manufacture: Japan
Handle: FRN with embedded stainless steel liners
Blade length: 95mm.
Blade thickness: 3mm.
Length closed: 125mm.
Total length: 220mm.
Weight: 104g.
Closure: Back Lock
Clip: removable, multi-position, stainless steel
Notes: previously purchased knife, from private collection

KNIFE WITHDRAWN FROM PRIVATE COLLECTION
* Provenance: withdrawn from a private collection, previously purchased.
* Condition: 2011 specimen, overall in very good condition.
* Commercially available: Still in catalog, but difficult to find.
* Sharpening: Factory.
* Marks on blade: None
* Marks on handle: minimal marks given by time.
* Box: Present
* Scabbard: Present
* Manuals, Certificates and Warranties: Present
* Checked and Certified by our in-house laboratory

Intended Use: Collection / Sporting

Production type: Midtech
Country of manufacture: Sakai - Japan
Blade: ZDP189 stainless steel at 66.3 HRC
Blade treatment: mirror polish
Handle: Aluminum A6063S with anodization to Hv400 hardness and genuine Breed leather inserts
Blade length: 82mm.
Blade thickness: 3.7mm.
Length closed: 111mm.
Total length: 189mm.
Thickness when closed: 16.2mm.
Weight: 133g.
Opening: via ambidextrous pin 
Washers: steel
Closure: Sub FrameLock of 2mm. made of SUS402J2 stainless steel at 50HRC
Clip: deep pocket, 1mm. 420J2 stainless steel with PVD treatment
Packaging: wooden box with Rockstead logos, certificate with serial number and steel hardness test
Notes: Specimen number #046 dated 07/13/2011, previously purchased, withdrawn from a private collection

KNIFE WITHDRAWN FROM PRIVATE COLLECTION
* Provenance: withdrawn from a private collection, previously purchased.
* Condition: in excellent, like-new condition
* Commercially available: In production
* Sharpening: Factory
* Marks on blade: None
* Marks on handle: None
* Box: Present
* Scabbard: /
* Manuals, Certificates and Warranties: Present
* Checked and Certified by our in-house laboratory

Intended Use: Collection / Sporting

Production type: Midtech
Country of manufacture: Sakai - Japan
Blade: stainless steel ZDP-189 at 66.6 HRC
Blade finish: mirror polish
Handle: Duraluminum A7075 with anodization to Hv400 hardness and Samekawa insert (genuine Breed leather)
Blade length: 95mm.
Blade thickness: 4mm.
Total length: 210mm.
Weight: 145g.
Opening: via ambidextrous pivot 
Washers: steel
Closure: FrameLock with hinge made of 420J2 at 52HRC
Clip: removable, 1mm 420J2 stainless steel with PVD treatment
Packaging: Wooden box with Rockstead logos, certificate with serial number and steel hardness test
Notes: serial number 054 - Date of manufacture 23/04/2019

Higo is one of the most beloved models for Rockstead Knives fans around the world, and HIGOⅡX, with a custom Dark Matter Gold (DMG) carbon fiber coating and a titanium back layer, is one more step in the pursuit of perfection. The blade is made of ZDP189 super stainless steel and features a unique convexity with gradually reduced angle (30 degrees at the middle and 24 degrees at the tip). The variable blade angle is the result of Rockstead's long quest for superior sharpness and cutting ability.

Blade: ZDP-189 stainless steel at 66.7HRC
Handle: anodized titanium and Dark Matter Gold carbon fiber
Blade length: 89mm.
Blade thickness: 3.2mm.
Total length: 216mm.
Weight: 138g.
Closure: Frame Lock with SKD11 casement at 61HRC
Clip: made of 402J2 steel at 48HRC
Notes: Accompanied by warranty certificate with full technical specifications - Please note that the knife you receive will have a different serial number and production date than the model shown in the photographs.

Blade: stainless steel ZDP-189 to 67.2HRC
Handle: Duralumin A2024 with anodized surface to HV400
Blade length: 73 mm.
Blade Thickness: 3.5 mm.
Overall length: 176 mm.
Weight: 172 g.
Lock: Frame Lock with a swing in SKD11 61HRC
Clip: Steel 402J2 to 48HRC
Notes: Accompanied by a certificate of guarantee with the technical specifications.

Knife collected from private collection - Limited edition "Sprint Run" model remained in production only in 2010 - Like-new condition, comes with original box, manuals, factory sharpening, never carried in pocket or used - Checked and certified by our in-house lab.

Intended use: sporting / collection

Production type: industrial
Country of manufacture: Seki - Japan
Blade: Stainless steel ZDP-189
Blade finish: Satin finish
Handle: Carbon fiber with stainless steel liners
Blade length: 70mm.
Blade thickness: 2.5mm.
Length closed: 93mm.
Total length: 157mm.
Weight: 55g.
Closure: LinerLock
Clip: Stainless steel, removable
Notes: Design by Michael Walker - Sprint Run Edition released only in 2010 - Collected from private collection, exactly like new, with box and manuals

Designer Notes

Michael Walker is to the knife industry what Michael Jordan is to basketball or Wayne Gretsky is to field hockey. He shattered established standards, jumping into uncharted territory and elevating the art of cutlery to greater heights of innovation and modernity.

In 1980, the folding knife industry had few locking innovations and only the traditional Back Lock existed. In 1981 Walker invented, developed and eventually trademarked the Michael Walker LinerLock® adding a leaf spring that locked the blade open, making it a true one-handed openable folding knife. He also included a latch to hold the blade closed using the force of the inner folder spring so it wouldn't open in a pocket to the user.

This innovation of his opened the door to modern cutlery, allowing for multiple new designs and future developments up to today's SubFrame Lock, Frame Lock, Flipper Folder and IKBS ball bearing opening systems.

Other inventions include the "Lake and Walker Safety System" or LAWKS, BLADELock, Ball bearing lock, and Tough Lock.

Some of the manufacturing companies he has worked with include Spyderco, Columbia River Knife and Tool, Schrade, Böker, and Klotzli.

Walker's knives and designs have inspired many other custom knife makers, most notably Bob Terzuola and Ernest Emerson. Terzuola credits Walker with teaching him how to make a linerlock folder and Emerson said that seeing a Walker knife at a gun show gave him the inspiration to become a knifemaker.

Walker's knives can be found at the Artifex Gallery in Taos and in most prestigious collections around the world.

With the Rockstead brand of Ishida Co. of Sakai, Japan, the best industrial knives currently in production are currently marketed.

Created by Katsumi Kitano, who for over 20 years has been producing quality knives so as to have been awarded the highest recognition among artisan knives in Japan, they are exceptional both in cutting capacity, penetration and hold of the thread and in innovation for the materials used and for construction techniques.

Intended use: Collection / Sports

Type of production: Midtech
Country of production: Sakai - Japan
Blade: ZDP189 stainless steel hardened to 66.4HRC
Blade treatment: mirror polished
Handle: anodised titanium and carbon fiber
Blade length: 89mm.
Blade thickness: 3mm.
Closed length: 120mm.
Total length: 216mm.
Thick when closed: 15.8mm.
Weight: 133g.
Opening: through ambidextrous pin
Washers: in steel
Closure: FrameLock with wing in SKD11 at 61HRC
Clip: removable, in 420J2 stainless steel with PVD treatment
Packaging: Wooden box with Rockstead logos, certified with serial number and steel hardness test
Notes: Please note that the knife you receive will have a different serial number and production date than the model shown in the photographs.

Con il marchio Rockstead, della Ishida Co. di Sakai, in Giappone, sono attualmente commercializzati i migliori coltelli industriali attualmente in produzione.

Creati da Katsumi Kitano, che da oltre 20 anni produce coltelli di qualità tanto da esser stato insignito del massimo riconoscimento tra i coltellinai artigiani in Giappone, si dimostrano eccezionali sia in capacità di taglio, penetrazione e tenuta del filo sia a livello di innovazione per i materiali utilizzati e per le tecniche costruttive.

Lama: acciaio laminato con guance esterne in VG10 e tagliente in ZDP-189 a 66/67HRC con finitura a specchio
Manicatura: Titanio anodizzato
Lunghezza lama: 105 mm.
Spessore della lama: 3,8 mm.
Lunghezza totale: 190 mm.
Peso: 159g.
Chiusura: Frame Lock con battente in acciaio inox
Clip: Deep pocket, amovibile, in acciaio inox SUS420J2 a 50HRC
Note: Design by Sinkevich - accompagnato da certificato di garanzia con specifiche tecniche dettagliate

Intended Use: Sport / EDC

Type of production: Industrial
Blade Production: Japan
Blade: stainless steel ZDP-189 67HRC
Blade treatment: -
Handle: FRN British Racing Green
Blade length: 49mm.
Blade thickness: 2.5mm.
Closed Length: 64mm.
Overall length: 113mm.
Thick when closed: 8mm.
Balancing: -
Weight: 20g.
Locking system: Back Lock
Clip: -
Sheath: -
Packaging: cardboard box with logos Spyderco
Notes: -

Rockstead - SAI Titanium ZDP-189 - knife

Blade: ZDP-189 in 66.8HRC
Handle material: titanium
Blade length: 80 mm.
Blade Thickness: 3.7 mm.
Overall length: 190 mm.
Weight: 140g.
Closure: liner lock
Sheath: Black leather
Notes: Accompanied by a certificate of guarantee with the technical specifications.

Rockstead - Higo-X-IW - Ironwood ZDP-189 - knife

With the brand Rockstead, Ishida Co. in Sakai, Japan, are currently marketed the best industrial knives currently in production.

Created by Katsumi Kitano, who for over 20 years has been producing quality knives so as to have been awarded the highest honor among the artisan knife makers in Japan, proved to be exceptional in cutting capacity, penetration and sealing wire is at the level of innovation for materials and construction techniques.

Blade: ZDP-189 in 66.8HRC
Handle material: stainless steel and wood SUS420J2 Ironwood
Blade length: 90 mm.
Blade Thickness: 3 mm.
Overall length: 215 mm.
Weight: 133g.
Lock: Frame Lock with swing SKD11 to 61HRC
Clip: 402J2 steel at 48HRC
Notes: Accompanied by a certificate of guarantee with the technical specifications.

Intended Use: Sport / EDC

Blade: 66/67HRC ZDP-189 stainless steel
Handle: FRN - Fiberglass Reinforced Nylon
Blade length: 57mm.
Blade Thickness: 2.5mm.
Closed Length: 84mm.
Total length: 141mm.
Balance: -
Weight: 34g.
Closure: Back Lock
Clips: stainless
Sheath: -
Notes: -

Intended use: Collection / Sports

Type of production: Midtech
Country of production: Sakai - Japan
Blade: ZDP189 stainless steel hardened to 66.4HRC
Blade treatment: mirror polished
Handle: aluminum
Blade length: 90mm.
Blade thickness: 3mm.
Closed length: 120mm.
Total length: 216mm.
Thick when closed: 15.8mm.
Weight: 102g.
Opening: through ambidextrous pin
Washers: in steel
Closure: FrameLock with wing in SKD11 at 61HRC
Clip: removable, in 420J2 stainless steel with PVD treatment
Packaging: Wooden box with Rockstead logos, certified with serial number and steel hardness test
Notes: Serial number # 1039 - Date of production 31 May 2019

Destination of use: sports

Type of production: industrial
Country of production: Japan
Blade: stainless steel ZDP-189 65 / 67HRC
Blade treatment: satin finish
Handle: FRN (fiberglass reinforced nylon) with stainless steel embedded liners
Blade length: 75mm.
Blade thickness: 2.5mm.
Length closed: 107mm.
Total length: 180mm.
Thickness closed: 9.9mm.
Weight: 72g.
Locking system: Back Lock
Clip: stainless steel, removable and multiposition
Packaging: cardboard box with Spyderco logos
Note: -

Intended use: Sport

Type of production: industrial
Blade: stainless steel ZDP-189
Treatment Lama: -
Blade Production: Japan
Handle: FRN Grey with stainless steel liners drowned
Blade length: 95mm.
Blade Thickness: 3mm.
Closed Length: 125mm.
Overall Length: 220mm.
Balance: -
Weight: 104g.
Closure: Back Lock
Clip: Removable, multi-position, stainless steel
Sheath: -
Notes: -

Destinazione d'uso: Sportivo

Tipo di produzione: industriale
Lama: liscia in acciaio inox ZDP-189
Trattamento Lama: -
Produzione Lama: Japan
Manicatura: FRN con liners annegati in acciaio inox
Lunghezza lama: 90mm.
Spessore della lama: 2.5mm.
Lunghezza chiuso: 111,5mm.
Lunghezza totale: 200mm.
Bilanciatura: -
Peso: 96g.
Chiusura: Back Lock
Clip: amovibile, multiposizione, in acciaio inox
Fodero: -
Note: