This is the Viper Cutlery Turn, has Yellow Matter Carbon Fiber handles and Titanium liners.  The blade steel is M390 and finish is Satin.

*Our opinion:  The pull is a 5.  The Viper effort on this run as compared to their entire catalog is 8.

Maker : Viper Cutlery
Handles : Yellow Matter Carbon Fiber
Factory ID : V5988FCY
Pattern : Turn
Condition : New/Mint
Blade Steel : M390
Steel Hardness : 59-60HRC
Liners : Titanium
Blade Type : Clip
Lock Type : Mid Lockback
# Blades : 1
# Backsprings : 1
Action (1-5) : 2
*Pull (1-10) : 5
Closed Length : 4 1/4 inches
Longest Blade : 3 3/16 inches
Longest Sharp : 3 3/16 inches
Overall Length : 7 7/16 inches
Weight : 5.2 ounces
Clip : Tip up Titanium
Half Stops : No
Factory Box : Yes
Blade Finish : Satin
Country : Italy
*Factory Effort : 8
Notes: : Thrust bearings.