This is Shirogorov Quantum M390 2021 BLUE TITANIUM HANDLE folding knife.
This model is winner of the Blade Show 2019 "Best Tactical Folder" - full custom on photo below.
- 3.75″ stonewashed M390 blade
- Complex blade grind (extracts + jimping)
- 8.75″ overall length
- Weighs 4.7 ounces
- Runs on MRBS (multi-row bearing system) – 21 bearings on each side
- Steel washers/underlays for improved wear resistance of the pivot mechanism
- Steel lock bar insert for improved wear resistance on the lock
- Blue anodized, Blasted, and stonewashed Titanium frame-lock with finely milled grooves
- Milled inner liners for weight reduction
- Blasted and stonewashed Titanium backspacer
- Blasted and stonewashed Tip up 3D machined Titanium pocket clip with hidden screw