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Katla, designed by Jesper Voxnaes, is a liner lock folding knife, featuring a Tanto profile blade with a bevel that enhances the excellent cutting qualities of the Böhler M390, hardened at 59/61 HRC.

The rotating mechanism is provided by thrust bearings, and it can be opened with either the double thumb stud or the very fast flipper.

The detail that characterizes the Katla is the 3D processing of the handle at both ends of the bolster, which reinterprets in a modern key, the inlays of the classic Viper models.

The flat edges and the titanium clip allow for comfortable and discreet carry.

Intended use: EDC / Sport

Type of production: Industrial
Country of production: Italy
Blade: Stainless steel M390 60/61HRC
Blade finish: Stonewashed
Handle: Walnut
Blade length: 82mm.
Blade thickness: 4mm.
Closed length: 116mm.
Total length: 198mm.
Weight: 107g.
Lock: Liner Lock
Clip: Titanium
Packaging: Cardboard box with Viper logos
Notes: Design by Jesper Voxnaes - opening with Carson Flipper system on ball bearing

Intended Use: Sporting/EDC

Production type: Industrial
Country of Production: Maniago - Italy
Blade: Bohler M390 Microclean stainless steel, HRC 59/61
Blade treatment: Satin finish
Handle: Titanium insignia, Dark Matter Gold carbon fibre grips
Blade length: 77mm.
Blade thickness: 3mm.
Length closed: 112mm.
Total length: 176mm.
Thickness when closed: 10mm.
Weight: 77g.
Closure: Slipjoint
Sheath: Leather
Packaging: Cardboard box with Viper Knives logos
Notes: Design by Fabrizio Silvestrelli

Intended use: Sports / EDC

Type of production: Industrial
Country of production: Maniago - Italy
Blade: Bohler M390 Microclean stainless steel, HRC 59/61
Blade treatment: Satin finish
Handle: in titanium with ivory G10 grips
Blade length: 71mm.
Blade thickness: 3mm.
Closed length: 112mm.
Total length: 184mm.
Thick when closed: 14mm.
Weight: 75g.
Closure: Slipjoint
Clip: titanium
Sheath: in leather
Packaging: Cardboard box with Viper Knives logos
Notes: Design by Sacha Thiel

Intended use: Sports / EDC

Type of production: Industrial
Country of production: Maniago - Italy
Blade: Bohler M390 Microclean stainless steel, HRC 59/61
Blade treatment: Satin finish
Handle: titanium with blue carbon fiber grips
Blade length: 71mm.
Blade thickness: 3mm.
Closed length: 112mm.
Total length: 184mm.
Thick when closed: 14mm.
Weight: 75g.
Closure: Slipjoint
Clip: titanium
Sheath: in leather
Packaging: Cardboard box with Viper Knives logos
Notes: Design by Sacha Thiel

Intended use: Sports / EDC

Type of production: Industrial
Country of production: Maniago - Italy
Blade: Bohler M390 Microclean stainless steel, HRC 59/61
Blade treatment: Satin finish
Handle: in titanium with micarta grips
Blade length: 71mm.
Blade thickness: 3mm.
Closed length: 112mm.
Total length: 184mm.
Thick when closed: 14mm.
Weight: 75g.
Closure: Slipjoint
Clip: titanium
Sheath: in leather
Packaging: Cardboard box with Viper Knives logos
Notes: Design by Sacha Thiel

Destination of use: Sportsman / EDC

Type of production: Industrial
Country of production: Maniago - Italy
Blade: in stainless steel M390 60 / 61HRC
Lama treatment: satin pattern
Handle: titanium with black G10 cheeks
Lama length: 80mm.
Lama thickness: 4mm.
Closed length: 107mm.
Total length: 190mm.
Closed thickness: 14mm.
Weight: 123g.
Closure: Back Lock
Clip: Titanium
Sheath: Leather
Package: Cardboard box with Viper Knives logos
Notes: Design by Fabrizio Silvestrelli

Intended use: Sports

Type of production: Industrial
Country of production: Italy
Blade: full tang in stainless steel M390 59 / 60HRC
Blade treatment: Satin finish
Handle: Carbon fiber
Blade length: 67mm.
Blade thickness: 4mm.
Total length: 154mm.
Weight: 95g.
Sheath: in Kydex
Packaging: cardboard box with Viper logos
Notes: design by Tommaso Rumici

Intended use: Sports / EDC

Type of production: Industrial
Country of production: Maniago - Italy
Blade: M390 60 / 61HRC stainless steel
Blade treatment: Satin finish
Handle: in titanium with walnut wood grips
Blade length: 80mm.
Blade thickness: 4mm.
Closed length: 107mm.
Total length: 190mm.
Thick when closed: 14mm.
Weight: 113g.
Closure: Back Lock
Clip: titanium
Sheath: leather sheath
Packaging: Cardboard box with Viper Knives logos
Notes: Design by Fabrizio Silvestrelli

Katla, designed by Jesper Voxnaes, is a liner lock folding knife, which revives the Tanto profile blade with a bevel that enhances the excellent cutting qualities of the Böhler M390, hardened at 59/61 HRC.
The rotation mechanism is given by thrust bearings, and can be opened with the double peg for the thumb, or with the very fast pinball machine.
The detail that characterizes the Katla is the 3D processing of the handle on both ends of the cheek which recalls, reworking them in a modern key, the insignia of the most classic Viper models.
The flat edges and the titanium clip allow a comfortable and discreet port.

Intended use: EDC / Sports

Type of production: Industrial
Country of production: Italy
Blade: M390 60 / 61HRC stainless steel
Blade finish: Stonewashed
Handle: Micarta
Blade length: 82mm.
Blade thickness: 4mm.
Length closed: 116mm.
Total length: 198mm.
Weight: 107g.
Closure: Liner Lock
Clip: titanium
Packaging: cardboard box with Viper logos
Notes: Design by Jesper Voxnaes - opening via Carson Flipper system on ball bearing

Presented at the 2019 Shot Show, Key is Viper's first dorsal spring slip-joint. Designed by Jesper Voxnaes, this closable with two-handed opening is a daily luxury to be savored without haste, a daily companion like a classy pen or a watch of fine manufacture.

The Key is offered in different handle variants, with details ranging from tradition to modernity, with or without insignia, in order to blend in with the style of its owner.

All have in common the refined hand-made filework that decorates the spring, giving the knife the typical, surprising, elegance that has always distinguished Viper “Gentleman” knives. The 3 mm thick, satin-finished Böhler M390 steel blade offers excellent and long-lasting cutting performance, accentuated by full bevel.

Intended use: Gentleman / EDC

Type of production: Industrial
Country of production: Italy
Blade: Stainless steel M390 60-61HRC
Blade treatment: Satin finish
Handle: 1.4034 and G10 stainless steel
Blade length: 76mm.
Blade thickness: 3mm.
Length closed: 115mm.
Total length: 185mm.
Thick when closed: 10.5mm.
Weight: 70g.
Closure: SlipJoint
Clip: -
Sheath: leather bag
Packaging: cardboard box with Viper logos
Notes: Design by Jesper Voxnaes

Presented at the 2019 Shot Show, Key is Viper's first dorsal spring slip-joint. Designed by Jesper Voxnaes, this closable with two-handed opening is a daily luxury to be savored without haste, a daily companion like a classy pen or a watch of fine manufacture.

The Key is offered in different handle variants, with details ranging from tradition to modernity, with or without insignia, in order to blend in with the style of its owner.

All have in common the refined hand-made filework that decorates the spring, giving the knife the typical, surprising, elegance that has always distinguished Viper “Gentleman” knives. The 3 mm thick, satin-finished Böhler M390 steel blade offers excellent and long-lasting cutting performance, accentuated by full bevel.

Intended use: Gentleman / EDC

Type of production: Industrial
Country of production: Italy
Blade: Stainless steel M390 60-61HRC
Blade treatment: Satin finish
Handle: 1.4034 Stainless Steel and Micarta
Blade length: 76mm.
Blade thickness: 3mm.
Length closed: 115mm.
Total length: 185mm.
Thick when closed: 10.5mm.
Weight: 70g.
Closure: SlipJoint
Clip: -
Sheath: leather bag
Packaging: cardboard box with Viper logos
Notes: Design by Jesper Voxnaes

Presented at the 2019 Shot Show, Key is Viper's first dorsal spring slip-joint. Designed by Jesper Voxnaes, this closable with two-handed opening is a daily luxury to be savored without haste, a daily companion like a classy pen or a watch of fine manufacture.

The Key is offered in different handle variants, with details ranging from tradition to modernity, with or without insignia, in order to blend in with the style of its owner.

All have in common the refined hand-made filework that decorates the spring, giving the knife the typical, surprising, elegance that has always distinguished Viper “Gentleman” knives. The 3 mm thick, satin-finished Böhler M390 steel blade offers excellent and long-lasting cutting performance, accentuated by full bevel.

Intended use: Gentleman / EDC

Type of production: Industrial
Country of production: Italy
Blade: Stainless steel M390 60-61HRC
Blade treatment: Satin finish
Handle: Titanium GR5 Anodized
Blade length: 76mm.
Blade thickness: 3mm.
Length closed: 115mm.
Total length: 185mm.
Thick when closed: 10.5mm.
Weight: 75g.
Closure: SlipJoint
Clip: -
Sheath: leather bag
Packaging: cardboard box with Viper logos
Notes: Design by Jesper Voxnaes

Presented at the 2019 Shot Show, Key is Viper's first dorsal spring slip-joint. Designed by Jesper Voxnaes, this closable with two-handed opening is a daily luxury to be savored without haste, a daily companion like a classy pen or a watch of fine manufacture.

The Key is offered in different handle variants, with details ranging from tradition to modernity, with or without insignia, in order to blend in with the style of its owner.

All have in common the refined hand-made filework that decorates the spring, giving the knife the typical, surprising, elegance that has always distinguished Viper “Gentleman” knives. The 3 mm thick, satin-finished Böhler M390 steel blade offers excellent and long-lasting cutting performance, accentuated by full bevel.

Intended use: Gentleman / EDC

Type of production: Industrial
Country of production: Italy
Blade: Stainless steel M390 60-61HRC
Blade treatment: Satin finish
Handle: Titanium GR5 and Carbon Fiber Bronze
Blade length: 76mm.
Blade thickness: 3mm.
Length closed: 115mm.
Total length: 185mm.
Thick when closed: 10.5mm.
Weight: 75g.
Closure: SlipJoint
Clip: -
Sheath: leather bag
Packaging: cardboard box with Viper logos
Notes: Design by Jesper Voxnaes

Presented at the 2019 Shot Show, Key is Viper's first dorsal spring slip-joint. Designed by Jesper Voxnaes, this closable with two-handed opening is a daily luxury to be savored without haste, a daily companion like a classy pen or a watch of fine manufacture.

The Key is offered in different handle variants, with details ranging from tradition to modernity, with or without bolsters, so as to go best with the style of its owner.

All have in common the refined hand-made filework that decorates the spring, giving the knife the typical, surprising, elegance that has always distinguished Viper “Gentleman” knives. The 3 mm thick, satin-finished Böhler M390 steel blade offers excellent and long-lasting cutting performance, accentuated by full bevel.

Intended use: Gentleman / EDC

Type of production: Industrial
Country of production: Italy
Blade: Stainless steel M390 60-61HRC
Blade treatment: Satin finish
Handle: Titanium GR5 and micarta
Blade length: 76mm.
Blade thickness: 3mm.
Length closed: 115mm.
Total length: 185mm.
Thick when closed: 10.5mm.
Weight: 75g.
Closure: SlipJoint
Clip: -
Sheath: leather bag
Packaging: cardboard box with Viper logos
Notes: Design by Jesper Voxnaes

Purpose: sport / EDC

Type of production: Industrial
Country of production: Maniago - Italy
Blade: stainless steel M390 60 / 61HRC
Blade treatment: Satin
Handle: Micarta
Blade length: 76mm.
Blade thickness: 4mm.
Length closed: 102mm.
Total length: 179mm.
Thick when closed: 16mm.
Weight: 115g.
Washers: in steel and bronze, with ball bearings
Closing: Liner Lock in stainless steel 1.4116
Clip: -
Sheath: -
Packaging: Cardboard box with Viper Knives logos
Notes: Design by Fabrizio Silvestrelli

Purpose: sport / EDC

Type of production: Industrial
Country of production: Maniago - Italy
Blade: stainless steel M390 60 / 61HRC
Blade treatment: Satin
Handle: GR2 Titanium and Carbon Fiber
Blade length: 76mm.
Blade thickness: 4mm.
Length closed: 102mm.
Total length: 179mm.
Thick when closed: 16mm.
Weight: 135g.
Washers: in steel and bronze, with ball bearings
Closing: Liner Lock in stainless steel 1.4116
Clip: -
Sheath: -
Packaging: Cardboard box with Viper Knives logos
Notes: Design by Fabrizio Silvestrelli

Intended use: hunting / sporting

Type of production: Industrial
Country of production: Italy
Blade: full tang in stainless steel M390 59 / 60HRC
Blade treatment: Satin
Handle: Carbon fiber
Blade length: 88mm.
Blade thickness: 3.8mm.
Total length: 200mm.
Balancing: -
Weight: 108g.
Sheath: in Kydex
Packaging: cardboard box with Viper logos
Notes: design by Jesper Voxnaes

Brand new collaboration between the famous Knife Maker Jens Anso and Viper company, based in Maniago (Italy)

Intended use: Sports / Collection

Type of production: Industrial
Lama production: Italy
Blade: Stainless steel M390 60 / 61HRC
Handle: G10
Blade length: 90mm.
Blade thickness: 4mm.
Length closed: 120mm.
Total length: 205mm.
Thick when closed: 11mm.
Balancing: -
Weight: 90g.
Closure: Liner Lock
Clip: titanium
Sheath: -
Packaging: cardboard box with Viper logos
Note: -

Brand new collaboration between the famous Knife Maker Jens Anso and Viper company, based in Maniago (Italy)

Intended use: Sports / Collection

Type of production: Industrial
Lama production: Italy
Blade: Stainless steel M390 60 / 61HRC
Handle: titanium
Blade length: 90mm.
Blade thickness: 4mm.
Length closed: 120mm.
Total length: 205mm.
Thick when closed: 11mm.
Balancing: -
Weight: 120g.
Closure: Liner Lock
Clip: titanium
Sheath: -
Packaging: cardboard box with Viper logos
Note: -

Brand new collaboration between the famous Knife Maker Jens Anso and Viper company, based in Maniago (Italy)

Intended use: Sports / Collection

Type of production: Industrial
Lama production: Italy
Blade: Stainless steel M390 60 / 61HRC
Handle: carbon fiber
Blade length: 90mm.
Blade thickness: 4mm.
Length closed: 120mm.
Total length: 205mm.
Thick when closed: 11mm.
Balancing: -
Weight: 80g.
Closure: Liner Lock
Clip: titanium
Sheath: -
Packaging: cardboard box with Viper logos
Note: -

Intended use: Gentleman / EDC

Type of production: Industrial
Lama production: Italy
Blade: Stainless steel M390 60-61 hrc
Lama treatment: Stonewashed
Handle: Titanium
Blade length: 64mm.
Blade thickness: 3mm.
Length closed: 107mm.
Total length: 155mm.
Thick when closed: 11mm.
Balancing: -
Weight: 83g.
Closure: Frame Lock
Clip: titanium anodized
Sheath: -
Packaging: cardboard box with Viper logos
Notes: Design by Jesper Voxnaes

Intended use: Gentleman / EDC

Type of production: Industrial
Lama production: Italy
Blade: Stainless steel M390 60-61 hrc
Lama treatment: Stonewashed
Handle: Titanium
Blade length: 64mm.
Blade thickness: 3mm.
Length closed: 107mm.
Total length: 155mm.
Thick when closed: 11mm.
Balancing: -
Weight: 83g.
Closure: Frame Lock
Clip: titanium anodized
Sheath: -
Packaging: cardboard box with Viper logos
Notes: Design by Jesper Voxnaes

Intended use: Gentleman / EDC

Type of production: Industrial
Lama production: Italy
Blade: Stainless steel M390 60-61 hrc
Lama treatment: Stonewashed
Handle: Titanium
Blade length: 64mm.
Blade thickness: 3mm.
Length closed: 107mm.
Total length: 155mm.
Thick when closed: 11mm.
Balancing: -
Weight: 83g.
Closure: Frame Lock
Clip: titanium anodized
Sheath: -
Packaging: cardboard box with Viper logos
Notes: Design by Jesper Voxnaes

Purpose of use: Sportsman / EDC

Type of production: Industrial
Country of production: Maniago - Italy
Blade: stainless steel M390 60 / 61HRC
Blade Treatment: Satin
Handle: Titanium with anodized titanium spacer
Blade Length: 85mm.
Blade thickness: 4mm.
Closed length: 110mm.
Overall length: 192mm.
Closure thickness: 14mm.
Weight: 146g.
Opening: Carson Flipper system
Washers: in steel and bronze, with ball bearings
Closure: Stainless Steel Liner Lock 1.4116
Clip: Anodized titanium, made from full, removable
Sheath: -
Packing: Cardboard box with Viper Knives logos
Notes: Design by Fabrizio Silvestrelli

Purpose: sport / EDC

Type of production: Industrial
Country of production: Maniago - Italy
Blade: stainless steel M390 60 / 61HRC
Blade Treatment: Satin
Handle: carbon fiber with anodized titanium spacer
Blade Length: 85mm.
Blade thickness: 4mm.
Closed length: 110mm.
Overall length: 192mm.
Closure thickness: 14mm.
Weight: 94g.
Opening: Carson Flipper system
Washers: in steel and bronze, with ball bearings
Closure: Stainless Steel Liner Lock 1.4116
Clip: Anodized titanium, made from full, removable
Sheath: -
Packing: Cardboard box with Viper Knives logos
Notes: Design by Fabrizio Silvestrelli

Purpose: sport / EDC

Type of production: Industrial
Country of production: Maniago - Italy
Blade: stainless steel M390 60 / 61HRC
Blade Treatment: Stone Washed
Handle: G10 with anodized titanium spacer
Blade Length: 85mm.
Blade thickness: 4mm.
Closed length: 110mm.
Overall length: 192mm.
Closure thickness: 14mm.
Weight: 102g.
Opening: Carson Flipper system
Washers: in steel and bronze, with ball bearings
Closure: Stainless Steel Liner Lock 1.4116
Clip: Anodized titanium, made from full, removable
Sheath: -
Packing: Cardboard box with Viper Knives logos
Notes: Design by Fabrizio Silvestrelli

Intended use: Sports / EDC

Type of production: Industrial
Production Country: Italy
Blade: stainless steel M390 60 / 61HRC
Blade treatment: Satin finish
Handle: Carbon Fiber and Titanium
Blade length: 86mm.
Blade thickness: 4mm.
Closed Length: 124mm.
Overall length: 210mm.
Thick when closed: 18mm.
Weight: 114g.
Lock: Frame Lock with steel casement
Clip: anodized titanium
Packaging: cardboard box with Viper logos
Notes: Design by Jesper Voxnaes

Intended use: Sports / EDC

Type of production: Industrial
Production Country: Italy
Blade: stainless steel M390 60 / 61HRC
Blade treatment: Satin finish
Handle: Titanium
Blade length: 86mm.
Blade thickness: 4mm.
Closed Length: 124mm.
Overall length: 210mm.
Thick when closed: 18mm.
Weight: 115g.
Lock: Frame Lock with steel casement
Clip: anodized titanium
Packaging: cardboard box with Viper logos
Notes: Design by Jesper Voxnaes

Intended use: Sports / EDC

Type of production: Industrial
Production Lama: Italy
Blade: stainless steel M390 MicroClean sintered and tempered vacuum; double tempering and cryogenic treatment; HRC 60/61
Blade treatment: Satin
Handle: G10 with 1.4116 stainless liners
Blade length: 95mm.
Blade thickness: 4mm.
Closed Length: 125mm.
Overall length: 220mm.
Weight: 122g.
Lock: Liner Lock
Clips: stainless steel
Packaging: cardboard box with Viper logos
Notes: Design by Fabrizio Silvestrelli - Opening on ball bearings - opening via Carson Flipper system

Intended use: Sports / EDC

Type of production: Industrial
Production Country: Italy
Blade: stainless steel M390
Blade treatment: Satin
Handle: GR2 Titanium
Blade length: 95mm.
Blade thickness: 4mm.
Closed Length: 125mm.
Total length: 220mm.
Weight: 188g.
Closing: Framelock
Clips: stainless steel
Packaging: cardboard box with Viper logos
Notes: Design by Fabrizio Silvestrelli - Opening on ball bearings - opening via Carson Flipper system

Intended use: Sports / EDC

Type of production: Industrial
Production Country: Italy
Blade: stainless steel M390
Blade treatment: Satin
Handle: GR2 Titanium and G10
Blade length: 95mm.
Blade thickness: 4mm.
Closed Length: 125mm.
Total length: 220mm.
Weight: 188g.
Closing: Framelock
Clips: stainless steel
Packaging: cardboard box with Viper logos
Notes: Design by Fabrizio Silvestrelli - Opening on ball bearings - opening via Carson Flipper system

Intended use: Sports / EDC

Type of production: Industrial
Production Country: Italy
Blade: stainless steel M390
Blade treatment: Satin
Handle: Titanium and Carbon Fiber
Blade length: 95mm.
Blade thickness: 4mm.
Closed Length: 125mm.
Total length: 220mm.
Weight: 180g.
Closing: Framelock
Clips: stainless steel
Packaging: cardboard box with Viper logos
Notes: Design by Fabrizio Silvestrelli - Opening on ball bearings - opening via Carson Flipper system