This is the Viper Cutlery Larius, has Stonewash Titanium handles.  The blade steel is M390 and finish is Stonewash.

*Our opinion:  The Viper effort on this run as compared to their entire catalog is 8.  Flipper effort is 3 on a scale of 1-4 with 1 being smooth as silk and 4 requiring wrist action.  Detent is a 3 on a scale of 1-4 with 1 being lightest.

Maker : Viper Cutlery
Model : Larius
Frame : Stonewash Titanium
Maker ID : V5960TI
Condition : New/Mint
Lock Type : Linerlock
Blade Steel : M390
Hardness : 60-62HRC
Black Thickness : 155/1000
Closed Length : 4 7/16 inches
Longest Blade : 3 1/4 inches
Longest Sharp : 3 1/4 inches
Overall Length : 7 5/8 inches
Flipper Effort : 3
Detent Strength : 3
Clip : Tip up
Weight : 5.2 ounces
Factory Box : Yes
Blade Finish : Stonewash
Country : Italy
*Factory Effort : 8