This is the lionSteel BestMan One Blade Jack, has Titanium Bolsters,  Carbon Fiber handles, and Titanium liners.  The blade steel is M390 and finish is Satin.

*Our opinion:  The pull is a 6.  The Lion Steel effort on this run as compared to their entire catalog is 8.

Maker : lionSteel
Handles : Carbon Fiber
Factory ID : BM2
Pattern : One Blade Jack
Pet Name : BestMan
Condition : New/Mint
Blade Steel : M390
Steel Hardness : 59-60HRC
Liners : Titanium
Bolsters : Titanium
Blade Type : Spear
# Blades : 1
# Backsprings : 1
*Pull (1-10) : 6
Closed Length : 3 3/4 inches
Longest Blade : 2 7/8 inches
Longest Sharp : 2 3/4 inches
Overall Length : 6 11/16 inches
Weight : 2.46 ounces
Half Stops : Yes
Factory Box : Yes
Blade Finish : Satin
Country : Italy
*Factory Effort : 8