Extrema Ratio RAO II Folding Knife - 4.7" N690 Cobalt Stainless Steel Blade Anticorodal Anodized Aluminum Handle

Born from a collaboration with Italy’s elite airborne regiment “185° RAO,” the RAO II is a tactical folding knife that defies convention. It’s engineered to perform like a fixed blade, thanks to its robust locking system and safety pin that transforms it into a virtually indestructible field tool.

Specifications
Blade Steel: Bohler N690 cobalt stainless steel (58 HRC)
Blade Length: 119 mm (4.7 in)
Blade Thickness: 6 mm (0.24 in)
Overall Length: 263 mm (10.4 in)
Weight: 322 g (11.4 oz)
Blade Grind: Flat grind with drop-point geometry
Blade Finish: MIL-C-13924 black oxide burnishing
Handle Material: Anticorodal anodized aluminum
Locking System: Bolt-lock with manual safety pin for fixed-blade conversion
Sheath: MOLLE-compatible nylon sheath with diamond-plate sharpener
Origin: Made in Italy

Design Highlights
The RAO II’s handle is rounded at the upper corners for improved ergonomics and control
Safety pin screws through the guard, locking the blade in place for heavy-duty tasks
Sheath allows carry in both folded and open positions—ideal for rapid deployment
Comes with a diamond sharpener to maintain a razor edge in the field

This knife isn’t just tactical—it’s tactical with attitude.