Extrema Ratio BD4 Lucky knife
Extrema Ratio
Extrema Ratio, located in Prato, Italy has been designing, manufacturing and selling high-quality combat knives since 1997. The company gained a great reputation for excellence that is unsurpassed in the military and tactical industry. The company prides itself in design, material and quality to deliver a high end product that meets the most severe standards. The first class handwork and well-selected material have contributed to form the image of the Extrema Ratio trademark all over the world.
Blade material
Böhler N690
Blade hardness
HRC 58
Locking mechanism
Liner Lock
Opening mechanism
Flipper
Serration
Partial
Handle
Anticorodal aluminum alloy
Weight:
4.762 oz
Overall length:
11.02″
Blade length:
4.84″
Length folded:
6.18″
Blade thickness:
0.12″
Country of origin:
Italy
Pocket clip
Emission offsetting
Greener use of materials
Sources from nature
Because it's simple yet important
Lamnia's speciality is a selection of more than 5,000 knives and folding knives. We carry hundreds of Scandinavian knives, the famous Finnish Puukko knives among them, folding knives, hunting knives and kitchen cutlery from the world's best brands, such as Spyderco, Cold Steel, Böker, Fox Cutlery and Benchmade.