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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

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.

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 tightness 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 66.5HRC
Blade treatment: mirror polished
Handle: titanium
Blade length: 90mm.
Blade thickness: 3mm.
Closed length: 120mm.
Total length: 216mm.
Thick when closed: 12.2mm.
Weight: 136g.
Opening: through ambidextrous pin
Washers: in brass
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 # 096 - Date of production 05 July 2019

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: Serial number # 028 - Date of production April 23, 2019

Purpose of use: Collection / Sportsman

Type of production: Sprint Run, Industrial, Open Number
Country of production: Prato - Italy
Blade: Coreless Steel VG10 / VG2 61HRC made in Japan by Takefu Steel
Blade treatment: chemical detection
Handle: Anodized aluminum anticorodal
Blade Length: 70mm.
Blade thickness: 2.5mm.
Closed length: 99mm.
Total Length: 168mm.
Closure thickness: 11mm.
Weight: 84g.
Opening: ambidextrous opening pin
Washers: in fiberglass
Closure: Liner Lock
Clip: stainless steel, deep pocket, removable and reversible
Packing: Cardboard box with Extrema Ratio logos - Numbered guarantee certificate
Notes: Limited edition - Each specimen is numbered on the grip and on the internal warranty certificate - Exclusive Product of Coltelleria Collini

ABOUT THE STEEL

More than just a damask, Coreless steel made by Japanese Takefu Steel comes with over 70 layers of VG10 and VG2 stainless steel welded, forged and coated between them so that you can form a lightweight, slim and durable blade with a spectacular damask outer pattern.

The peculiarity of Coreless steel, unlike conventional rolled steel or Japanese San-Mai, is that it does not have a hard core steel that is used for the cutting edge but has both the VG10 and VG2 steels arranged to form the cutting edge so alternating and sequential to each other.

This particular construction gives the blade - compared to the two steels that make it, individually taken - greater resistance to oxidation, higher surface hardness (up to 61.5HRC), 25% more than cutting capacity, 25% more than the wire hold capacity and 25% more resilience making the blade more robust and less subject to breakage.

Thanks to this latest steel, Takefu Steel has been rewarded on Japanese territory for research and development and innovation in the cutting-edge landscape. Coreless steel has already been chosen by major brands such as Kai and Mcusta Zanmai who since 2017 proposed it on their top productions of professional kitchen knives.

Purpose of use: Collection / Sportsman

Type of production: Sprint Run, Industrial, Open Number
Country of production: Prato - Italy
Blade: Coreless Steel VG10 / VG2 61HRC made in Japan by Takefu Steel
Blade treatment: chemical detection
Handle: Anodized aluminum anticorodal
Blade Length: 70mm.
Blade thickness: 2.5mm.
Closed length: 99mm.
Total Length: 168mm.
Closure thickness: 11mm.
Weight: 84g.
Opening: ambidextrous opening pin
Washers: in fiberglass
Closure: Liner Lock
Clip: stainless steel, deep pocket, removable and reversible
Packing: Cardboard box with Extrema Ratio logos - Numbered guarantee certificate
Notes: Limited edition - Each specimen is numbered on the grip and on the internal warranty certificate - Exclusive Product of Coltelleria Collini

ABOUT THE STEEL

More than just a damask, Coreless steel made by Japanese Takefu Steel comes with over 70 layers of VG10 and VG2 stainless steel welded, forged and coated between them so that you can form a lightweight, slim and durable blade with a spectacular damask outer pattern.

The peculiarity of Coreless steel, unlike conventional rolled steel or Japanese San-Mai, is that it does not have a hard core steel that is used for the cutting edge but has both the VG10 and VG2 steels arranged to form the cutting edge so alternating and sequential to each other.

This particular construction gives the blade - compared to the two steels that make it, individually taken - greater resistance to oxidation, higher surface hardness (up to 61.5HRC), 25% more than cutting capacity, 25% more than the wire hold capacity and 25% more resilience making the blade more robust and less subject to breakage.

Thanks to this latest steel, Takefu Steel has been rewarded on Japanese territory for research and development and innovation in the cutting-edge landscape. Coreless steel has already been chosen by major brands such as Kai and Mcusta Zanmai who since 2017 proposed it on their top productions of professional kitchen knives.

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: