
Details
With thirty years of experience in designing professional knives, Extrema Ratio has developed a model designed for those seeking an everyday carry tool that combines functionality, lightness, and attention to detail.
The minimalist profile, clean lines, and light weight are not merely aesthetic choices for their own sake, but the result of a design focused on efficiency. Every element serves a specific purpose. Nothing has been added merely to impress; nothing is there without a reason.
AERO is built using materials selected to ensure reliability in daily use and minimal maintenance: an Anticorodal aluminum handle and a Nitrogen steel blade, prized for its corrosion resistance, edge retention, and ease of resharpening.
Intended Use: Sports / EDC
Production Type: Industrial
Country of Manufacture: Italy
Blade: Nitrogen steel
Blade Finish: MIL-C-13924 burnishing
Handle: Stainless steel scales with anodized anticorodal aluminum grip
Blade Length: 69mm.
Blade thickness: 2.3 mm.
Overall length: 173 mm.
Weight: 92 g.
Lock type: Liner Lock
Clip: -
Packaging: Cardboard box with Extrema Ratio logos
Notes: -
ExtremaRatio - Aero - Black Nitrogen & Black Lime Aluminum - folding knife
Details
With thirty years of experience in designing professional knives, Extrema Ratio has developed a model designed for those seeking an everyday carry tool that combines functionality, lightness, and attention to detail.
The minimalist profile, clean lines, and light weight are not merely aesthetic choices for their own sake, but the result of a design focused on efficiency. Every element serves a specific purpose. Nothing has been added merely to impress; nothing is there without a reason.
AERO is built using materials selected to ensure reliability in daily use and minimal maintenance: an Anticorodal aluminum handle and a Nitrogen steel blade, prized for its corrosion resistance, edge retention, and ease of resharpening.
Intended Use: Sports / EDC
Production Type: Industrial
Country of Manufacture: Italy
Blade: Nitrogen steel
Blade Finish: MIL-C-13924 burnishing
Handle: Stainless steel scales with anodized anticorodal aluminum grip
Blade Length: 69mm.
Blade thickness: 2.3 mm.
Overall length: 173 mm.
Weight: 92 g.
Lock type: Liner Lock
Clip: -
Packaging: Cardboard box with Extrema Ratio logos
Notes: -
Specifications
| Brand | Extrema Ratio |
|---|---|
| Manufacturer information | Extrema Ratio S.R.L. Via Traversa delle Ripalte,72/78 59100 Prato Italy https://extremaratio.com |
| Country of production | Italy |
| Blade Type | Folding |
| Blade Length | 6/7cm |
| Edge | Plain |
| Blade Tip | Tanto |
| Blade thickness | 2,5 mm |
| Blade Finish | Black (Teflon, PVD, DLC..) |
| Stainless Steel | Nitrogen |
| Handle Material | Aluminum |
| colour | black |
| Locking Type | Liner Lock |
| Opening system | Hole |
| Materials and Finishes | 7 |
| Steel Quality | 7 |
| Strength | 7 |
| Practicality | 6,5 |
| Aesthetic | 7 |
| Quality/Price | 6,5 |
| Downloadable Catalog |
















