Boker Nero Extreme Response Fixed Blade Knife 5.9in N690 G10 Black. The coated blade of the N. E. R. O. is made of N690 and hardened to 59-60 HRC. The black G10 handle is CNC-milled and has a textured surface. Specifications for Boker Nero Extreme Response 5.9in Fixed Blade Knife: Manufacturer: Boker Blade Length: 5.9 in Overall Length: 11.6 in Blade Material: N690 Knife Application: Fixed Blade Handle Material: G10 Handle Color: Grey Black Blade Thickness: 0.2 in Condition: New Weight: 10.8 oz Quantity: 1 Color: Grey Lock Type: Fixed Features of Boker Nero Extreme Response 5.9in Fixed Blade Knife Total Length: 116 Blade length: 5.9 in Blade thickness: 0.20 in Weight: 10.8 oz Blade Material: N690 Handle Material: G10 Lock: Fixed Color: Black Blade Color: Grey Package Contents: Boker Nero Extreme Response 5.9in Fixed Blade Knife Boker FX-NR01TT: Nero Extreme Response Fixed Blade Knife 5.9in N690 G10 Black