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Reventon knife, no longer in production for years and limited to 2000 pieces, withdrawn from a private collection globally in excellent condition - Complete with everything, plastic box and certificates. Checked and certified by our internal laboratory.

Extrema Ratio was chosen by Automobili Lamborghini to produce the Reventón Folder, an emergency knife, belt cutter and glass breaker, designed by the Lamborghini Style Center, which becomes the official equipment of each of the 20 Reventón produced, the most exclusive supercar of the House of Bull.

The "Reventón Folder" is an accessory of the highest functional and aesthetic level, clearly in line with the philosophy of the car built with concepts and technologies directly borrowed from the most advanced aviation industry.

The knife is produced in a limited edition of 2,000 pieces, the first twenty equip the Reventón, the other 1980 pieces will be available for collectors.

Intended use: Collection

Type of production: Industrial
Production Lama: Italy
Blade: N690Co 58HRC stainless steel
Blade treatment: Testudo
Handle: Anticorodal
Blade length: 120mm.
Blade thickness: 6.3mm.
Closed length: 155mm.
Total length: 260mm.
Thick when closed: 21mm.
Balancing: -
Weight: 235g.
Closure: Back Lock with safety catch
Clip: -
Sheath: -
Packaging: plastic box with Lamborghini and Reventon logos
Notes: Specimen number 297 out of 2000, unique piece at our disposal

Intended use: Utility / Collection

Type of production: Industrial
Blade: CPM-S30V stainless steel 61-62HRC
Blade treatment: Stone-Washed
Country of production: Maniago - Italy
Handle: buffalo horn
Blade length: 75mm.
Blade thickness: 3.2mm.
Closed Length: 102mm.
Overall length: 178mm.
Weight: 109g.
Lock: Back Lock
Clip: reversible, stainless steel
Notes: two-handed blade opening - Design by T. Rumici

Intended Use: Sport / Tactical / Collection

Type of production: Industrial
Blade: Stainless steel CPM-S30V 61-62HRC
Treatment Lama: Stone-Washed
Production Lama: Italy
Handle: G10 Orange
Blade length: 75mm.
Blade Thickness: 3.2mm.
Closed Length: 102mm.
Overall length: 178mm.
Balancing: -
Weight: 109g.
Closure: Back Lock
Clip: Reversible, Steel
Notes: Design by Rumici T. and M. Fantoni - First production run limited edition in just 25 numbered pieces of blade and box.

Intended Use: Sport / Tactical / Collection

Type of production: Industrial
Blade: Stainless steel CPM-S30V 61-62HRC
Treatment Lama: Stone-Washed
Production Lama: Italy
Handle: G10 Black
Blade length: 75mm.
Blade Thickness: 3.2mm.
Closed Length: 102mm.
Overall length: 178mm.
Balancing: -
Weight: 109g.
Closure: Back Lock
Clip: Reversible, Steel
Notes: Design by Rumici T. and M. Fantoni - First production run limited edition in just 25 numbered pieces of blade and box. Exemplary number 23 of 25.

Chiudibili Extrema Ratio:
Direttamente derivato da specifiche militari,questo apribile è stato sviluppato per sostituirenell'impiego un lama fissa.
Per raggiungere questo risultato sono stati impiegatimateriali robustissimi, alti spessori ed un sistema diapertura/chiusura solido e sicuro: il back lock.
Il coltello è dotato di sicura manuale che conferisce massima sicurezza nell'impiego e riduce in manieradrastica il rischio di chiusure accidentali.
La sicura, se inserita in chiusura, evita agli operatorimilitari o di polizia che nel caso di sottrazione il coltello possa essere rivolto contro di loro.

Materiali e lavorazioni:
Tutte le parti del coltello sono ricavate dal pieno da macchine a controllo numerico ad alta precisione mentre l'assemblaggio, l'aggiustaggio e l'affilatura sono condotte artigianalmente.
La lama è in acciaio inossidabile al cobalto N690,un acciaio dalle elevatissime caratteristiche di resistenza alle sollecitazioni meccaniche, capacità ditaglio, tenuta del filo e resistenza alla corrosione.L'arrotatura è piana e la durezza è di 58HRC.
Le guancette dell'impugnatura sono in Anticorodal, unalega di alluminio con elevate doti di resistenza alle sollecitazioni meccaniche ed all'ossidazione.
Il codolo, in N690 temprato, è un efficace frangi cristalli d'emergenza. Tutta la viteria, i perni e laclip sono in acciaio inox brunito. La lama, la leva edil codolo sono ricoperti con trattamento Testudo,molto resistente all'abrasione ed all'ossidazione.Le guancette sono anodizzate nere.

Destinazione d'uso: tattico/militare/backup

Lama: in acciaio Inox N690Co 58HRC
Manicatura: Anticorodal ruvido con spessore 4.5mm
Lunghezza lama: 115mm.
Spessore della lama: 6mm.
Lunghezza chiuso: 148
Lunghezza totale: 260mm.
Bilanciatura: -
Peso: 235g.
Chiusura: Back Lock
Clip: amovibile e reversibile in acciaio inox
Fodero: -
Note: fermo di sicurezza sia in apertura che in chiusura

Direttamente derivato da specifiche militari, questo chiudibile è stato sviluppato per sostituire nell'impiego un lama fissa.

Per raggiungere questo risultato sono stati impiegati materiali robustissimi, alti spessori ed un sistema di apertura/chiusura solido e sicuro come il back lock.

Il coltello dotato di sicura manuale che conferisce massima sicurezza nell'impiego e riduce in maniera drastica il rischio di chiusure accidentali.
La sicura, se inserita in chiusura, evita agli operatori militari o di polizia che nel caso di sottrazione il coltello possa essere rivolto contro di loro.

Materiali e lavorazioni:
Tutte le parti del coltello sono ricavate dal pieno da macchine a controllo numerico ad alta precisione mentre l'assemblaggio, l'aggiustaggio e l'affilatura sono condotte artigianalmente.
La lama in acciaio inossidabile al cobalto N690, un acciaio dalle elevatissime caratteristiche di resistenza alle sollecitazioni meccaniche, capacit di taglio, tenuta del filo e resistenza alla corrosione. L'arrotatura piana e la durezza di 58HRC.
Le guancette dell'impugnatura sono in Anticorodal, una lega di alluminio con elevate doti di resistenza alle sollecitazioni meccaniche ed all'ossidazione.
Il codolo, in N690 temprato, un efficace frangi cristalli d'emergenza. Tutta la viteria, i perni e la clip sono in acciaio inox brunito. La lama, la leva ed il codolo sono ricoperti con trattamento Testudo, molto resistente all'abrasione ed all'ossidazione. Le guancette sono anodizzate nere.

Modello: M.P.C.
Destinazione: Impiego generale
Lung. Totale: 260 mm
Lama: 115 mm
Peso: 245 gr
Spess. Lama: 6 mm
Mat. Lama: Acciaio inox al cobalto N690
Impugnatura: Anticorodal

Intended Use: Sport / Tactical / Collection

Type of production: Industrial
Blade: Stainless steel CPM-S30V 61-62HRC
Treatment Lama: Stone-Washed
Production Lama: Italy
Handle: Buffalo Horn
Blade length: 75mm.
Blade Thickness: 3.2mm.
Closed Length: 102mm.
Overall length: 178mm.
Balancing: -
Weight: 109g.
Closure: Back Lock
Clip: Reversible, Steel
Notes: Design by Rumici T. and M. Fantoni

Intended use: Utility / Collection

Type of production: Industrial
Blade: CPM-S30V stainless steel 61-62HRC
Blade treatment: Stone-Washed
Country of production: Maniago - Italy
Handle: stag horn
Blade length: 75mm.
Blade thickness: 3.2mm.
Closed Length: 102mm.
Overall length: 178mm.
Weight: 109g.
Lock: Back Lock
Clip: reversible, stainless steel
Notes: two-handed blade opening - Design by T. Rumici

Intended use: tactical / military / backup

Blade: stainless steel N690Co 58HRC
Handle: Anticorodal 4.5mm thick
Blade length: 95mm.
Blade thickness: 6mm.
Length closed: 127
Total length: 220mm.
Balancing: -
Weight: 200g.
Closure: Back Lock
Clip: removable and reversible in stainless steel
Sheath: -

Intended use: tactical / military / backup

Blade: Stainless Steel N690Co 58HRC Desert Warfare
Manicure: 4.5mm Thickness Anticorodal
Blade Length: 95mm.
Blade thickness: 6mm.
Closed length: 127
Total length: 220mm.
Balance: -
Weight: 200g.
Closing: Back Lock
Clip: Removable and reversible in stainless steel
Sheath: -
Notes: safety mechanism both in opening and closing

Directly derived from military specifications, this fold has been developed to replace a fixed blade in use.

To achieve this result, very strong materials, high thicknesses and a solid and safe opening and closing system were used: the back lock.
The knife is equipped with a manual safety device which confers maximum safety in use and reduces the risk of accidental closure in manieradrastica.
The safety device, if inserted in closing, prevents the knife from being turned against itself in the case of subtraction.

Materials and workmanship:

All parts of the knife are machined from high-precision CNC machines, while assembly, adjustment and sharpening are carried out by hand.
The blade is made of cobalt N690 stainless steel, a steel with very high resistance to mechanical stress, cutting capacity, thread strength and corrosion resistance. The grinding is flat and the hardness is 58HRC.
The grips of the handle are in Anticorodal, an aluminum alega with high resistance to mechanical stress and oxidation.
The tang, in hardened N690, is an effective emergency crystals. All screws, pins and clips are in burnished stainless steel. The blade, the lever and the shank are covered with Testudo treatment, very resistant to abrasion and oxidation. The cheeks are black anodized.

Intended use: tactical / military / backup

Blade: stainless steel N690Co 58HRC
Handle: Anticorodal thickness 4.5mm
Blade length: 95mm.
Blade thickness: 6mm.
Length closed: 127
Total length: 220mm.
Weight: 200g.
Closure: Back Lock
Clip: removable and reversible in stainless steel
Notes: safety mechanism both in opening and closing

Directly derived from military specifications, this folding was developed to replace a fixed blade in use.

To achieve this, very strong materials, high thicknesses and a solid and safe diaper opening / closing system were used.

The knife is equipped with a manual safety device that confers maximum safety in use and reduces the risk of accidental closures in a manual manner.
The safety device, if inserted in the closure, prevents the operators or police officers from turning the knife against them in the event of theft.

Materials and processes:
All the parts of the knife are machined from solid by high precision numerical control machines while assembly, adjustment and sharpening are done by hand.
The blade is made of N690 cobalt stainless steel, a steel with very high resistance to mechanical stress, cutting capacity, wire hold and corrosion resistance. The grinding is flat and the hardness is 58HRC.
The handle grips are made of Anticorodal, an aluminum alloy with high resistance to mechanical stress and oxidation.
The shank, in tempered N690, is an effective emergency crystal breaker. All the screws, pins and laclipes are in burnished stainless steel. The blade, the lever and the shank are covered with Testudo treatment, very resistant to abrasion and oxidation. The handles are black anodized.

Model: M.P.C.
Destination: General use
Lung. Total: 260 mm
Blade: 115 mm
Weight: 245 gr
Thick. Blade: 6 mm
Mat. Blade: N690 cobalt stainless steel
Handle: Anticorodal

Fantoni - Hide Folder Micarta - Design by T. Rumici knife

Intended use: Fighter / Tactical / Collection

Type of production: industrial
Blade: Stainless Steel CPM-S30V 61-62HRC
Treatment Blade: Stone-Washed
Production Blade: Italy
Handle: Micarta Loveless
Blade length: 75mm.
Blade Thickness: 3.2 mm.
Closed Length: 102mm.
Overall length: 178mm.
Balancing: -
Weight: 102g.
Closure: Back Lock
Clip: Reversible, Stainless Steel
Notes: Design by T. Rumici and M. Fantoni

Fantoni - Mix - Green G10 - knife

Intended Use: Sport / Tactical

Type of production: Industrial
Production Blade: Italy
Blade: Stainless steel CPM-S30V
Treatment Blade: Stone Washed
Handle: G-10 and Stainless Steel
Blade length: 87mm.
Blade thickness: 3mm.
Closed Length: 115mm.
Overall length: 203mm.
Thick when closed: 12mm.
Balancing: -
Weight: 122g.
Closure: Back Lock
Clip: Stainless Steel
Sheath: -
Packing: Carton with logos Fantoni
Notes: Design by Massimo Fantoni

Fantoni - Mix - Orange G10 knife

Intended Use: Sport / Tactical

Type of production: Industrial
Production Blade: Italy
Blade: Stainless steel CPM-S30V
Treatment Blade: Stone Washed
Handle: G-10 and Stainless Steel
Blade length: 87mm.
Blade thickness: 3mm.
Closed Length: 115mm.
Overall length: 203mm.
Thick when closed: 12mm.
Balancing: -
Weight: 122g.
Closure: Back Lock
Clip: Stainless Steel
Sheath: -
Packing: Carton with logos Fantoni
Notes: Design by Massimo Fantoni