Extrema Ratio BF0 CD Stonewashed 2.16" N690 Compact Folding Knife a high-strength Ball Bearing Lock™

a high-strength Ball Bearing Lock™ mechanism

and rigorous tests went into the thought process and design behind the SXB

or “wave” feature

The tapered

The blade is cobalt steel

Extrema Ratio BF0 CD Stonewashed 2.16" N690 Compact Folding Knife a high-strength Ball Bearing Lock™Extrema 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