Description
This is the Viper Cutlery Fortis, has Titanium handles and the steel is M390. The blade finish is Satin.
*Our opinion: The Viper factory effort on this knife as compared to their entire catalog is 9.
Maker: Viper Cutlery
Model: Fortis
Frame: Titanium
Handles: Titanium
Maker ID: 5950TI
Condition: New/Mint
Lock Type: Framelock
Open Style: Flipper
Blade Style: Drop Point
Blade Steel: M390
Hardness: 60/61HRC
Blade Thickness: 160/1000
Closed Length: 4 11/16 inches
Blade Length: 3 7/16 inches
Edge Length: 3 3/16 inches
Overall Length: 8 1/4 inches
Clip: Ti Tip Up
Weight: 4.85 oz
Factory Box: Yes
Blade Finish: Satin
Maker Effort: 9
Country: Italy
Notes:
Factory Description:
Blade: Böhler M390 MICROCLEAN sintered stainless steel; vacuum, double temper and cryogenic treatments; hardness HRC 60/61; thickness 4 mm, satin finish or stone washed finish.
Locking mechanism: frame lock.
Frame: titanium GR5 (Ti6Al4V); stone washed finish; with hardened steel insert.
Spacer: titanium GR2, single-piece; anodized finish.
Handle: carbon fibre, titanium GR2 or G-10, CNC machining.
Clip: titanium GR5 (Ti6Al4V); CNC machining.
Screws: AISI 303/304 steel.
Rotation Mechanism: thrust bearings.
Package: cardboard box with logo.
5 out of 5 Excellent refined work knife!
mlajoie (verified owner) –
The fit and finish on these is excellent and the action is butter smooth. The size is relatively large and capable but carries much smaller than expected due to its thinness. For extended cutting a slightly thicker handle would be a little better, but the ergonomics of the handle shape are among the very best on the market. My only gripe is that I can’t get my knife perfectly centered. It’s close and doesn’t interfere with action or function, but it bugs me a little. Otherwise, I absolutely love the design, size, clean finishing, action, and carryability. I highly recommend this knife for anyone who wants a refined user that can serve as EDC or more rigorous tasks. Viper has been seriously impressing me with their recent offerings. If you think the aesthetics might appeal to you, don’t give it another thought. Buy it! It will not disappoint. I literally have hundreds of quality knives from $80 to $800, and this Fortis has been in my pocket since it made it to my mailbox. Well worth the price.
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5 out of 5 Love it!
Robertpuig (verified owner) –
I’ve got quite a knife collection and I’m a perfectionist. The Fortis is my new favorite knife, Viper knocked it out of the park! I absolutely love the design and materials. The attention to detail is stellar. This thing is perfect, I can’t find any flaws anywhere. I wasn’t familiar with Viper and this was my first. I was so impressed that with them I just ordered the Italio!
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5 out of 5 Viper Fortis Titanium
John Facchina (verified owner) –
This knife is made of quality materials. The scale and frame lock are titanium, the blade is Bohler M390 steel and the pivot hinges on bearings.
The handle is on the small side and allows a firm grip, however, the blade is on the large side. When folded it carries well, the clip is not a deep carry style.
I describe the knife as certainly a heavy duty hard use configuration, but styled to be a large gentleman’s knife.
It flipped a little slow until I oiled the pivot bearings, now it flips fine.
If the looks of this knife appeal to you, I doubt if you will be disappointed when you receive it.
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5 out of 5 Fortis
Bobacuda (verified owner) –
A most excellent knife the best flipper in my collection I almost bought the rest of them but decided to not be greedy seriously you will like this one
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