Extrema Ratio BF0 CD Stonewashed 2.16" N690 Compact Folding Knife The heart of the knife

The heart of the knife is its ultra-corrosion-resistant H-2 blade

This knife has a Lockback mechanism that securely locks the blade open when in use

an improved self-close function

Designed by Ed Van Hoy in Abingdon

Extrema Ratio BF0 CD Stonewashed 2.16" N690 Compact Folding Knife The heart of the knifeExtrema Ratio, located in Prato, Italy, has been designing, manufacturing and selling high performance combat knives since 1997 enjoying a reputation for excellence that is unsurpassed in the military and tactical knife industry. The new Extrema Ratio BF0 is the smallest among the Basic folders. Its handle produced in technopolymer makes it light and resistant, also thanks to its steel internal frame. The liner lock system enables to open and close it