Extrema Ratio – Ultramarine with Asola (BLACK), Fixed Blade Knife, Böhler N690 steel hardened to 58 HRC, burnished blade finish, full tang, slot for lanyard or safety cord, dive-ready sheath
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Product details
| Management number | 209957199 | Release Date | 2026/04/02 | List Price | $262.00 | Model Number | 209957199 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- ✅ Premium Böhler N690 steel blade, cryogenically hardened and tempered to 58 HRC for exceptional durability and edge retention.
- ✅ Fixed blade design with full tang construction ensures superior strength and reliability during intense use.
- ✅ Burnished blade finish minimizes glare and adds corrosion resistance, ideal for marine or low-visibility environments.
- ✅ Integrated oval cut-out (Asola) reduces weight and adds versatility for specialized operations.
- ✅ Partially serrated edge, perfect for cutting ropes, cords, and fibrous materials with efficiency and precision.
| Color | Black |
|---|---|
| Style | Italian |
| Theme | Tactical |
| Blade Edge | Flat |
| Brand Name | Extrema Ratio |
| Model Name | Ultramarine (BLACK) |
| Blade Shape | Spear Point |
| Item Length | 11.7 Inches |
| Item Weight | 13.28 Ounces |
| Reusability | Reusable |
| Blade Length | 5.91 Inches |
| Manufacturer | Extrema Ratio |
| Model Number | 04.1000.0320/BLK |
| Blade Material | böhler N690 steel (58 HRC) |
| Handle Material | Nylon |
| Hand Orientation | Ambidextrous |
| Special Features | Ergonomic Handle, Fixed Blade, Lightweight, Reversible |
| Included Components | Accessories, Sheath, Storage Case |
| Age Range Description | Adult |
| Customer Package Type | Standard Packaging |
| Product Care Instructions | Hand Wash Only |
| Recommended Uses For Product | Bushcrafting, Camping, Carving, Emergency, Fighting |
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