Extrema Ratio DMP Multipurpose Knife – Black, N690
Description
Extrema Ratio DMP Multipurpose Knife – Black
The Extrema Ratio DMP is a highly versatile multipurpose knife designed to bridge the gap between compact handling and heavy-duty performance. Its mid-size dimensions, reinforced drop point blade and full flat grind make it suitable for demanding operational, tactical and outdoor tasks.
Developed with professional use in mind, the DMP combines cutting efficiency, strength and control. The minimalist sheath design follows the aesthetic and functional philosophy of the original model it was inspired by, while offering secure carry and ambidextrous usability.
Designed for Versatility and Hard Use
The reinforced drop point blade is optimized for both precision cutting and heavy-duty tasks. The full flat grind delivers excellent slicing performance, while the thick blade spine ensures durability when pushed to the limit.
Key Features
- Mid-size multipurpose fixed blade knife
- Reinforced drop point blade for demanding use
- Full flat grind for excellent cutting performance
- Böhler N690 stainless steel hardened to 58 HRC
- Ergonomic Forprene handle for secure grip
- Minimalist sheath with dual retention system
- Ambidextrous secondary retention system
Blade Steel – Böhler N690
The blade is manufactured from Böhler N690 stainless steel, known for its excellent balance of corrosion resistance, edge retention and toughness. Hardened to 58 HRC, it provides reliable performance in both tactical and outdoor environments.
Sheath and Carry System
The sheath is injection-molded from shockproof nylon and features a minimalist design with reduced fabric. A second-level retention system enhances safety, while the reversible configuration allows comfortable use for both right- and left-handed users.
Technical Specifications
- Blade material: Böhler N690 stainless steel
- Hardness: 58 HRC
- Blade finish: MIL-C-13924 burnishing
- Blade grind: Full flat grind
- Blade length: 152 mm
- Total length: 282 mm
- Blade thickness: 6.3 mm
- Weight: 283 g
- Handle material: Forprene
- Color: Black
FAQ
Is the Extrema Ratio DMP suitable for heavy-duty tasks?
Yes. The reinforced drop point blade and 6.3 mm thickness make it suitable for hard use, including tactical, military and outdoor applications.
Can the knife be used by left-handed users?
Yes. The secondary retention system on the sheath is reversible, making it suitable for both right- and left-handed users.
What makes Böhler N690 steel special?
Böhler N690 offers excellent corrosion resistance, good edge retention and toughness, making it ideal for professional and tactical knives.
Glossary
- Drop point: Blade shape with a reinforced tip offering strength and control.
- Full flat grind: Blade grind that provides superior slicing performance.
- Forprene: High-performance elastomer used for durable, non-slip knife handles.
Manufacturer Information (GPSR)
Extrema Ratio S.R.L.
Via Traversa delle Ripalte 72/74/76/78
59100 Prato (PO)
Italy
Phone: +39 0574 584639
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
Website: www.extremaratio.com
Specifications may change without notice as part of continuous product development.





