Extrema Ratio make knives to a military specification. Thus all there products meet the highest of standards and are manufactured with CNC high precision milling machinery. The assembling, quality control and sharpening are done by skilled craftsmen. Such expertise has now been applied to the smaller scale folding knife with superb results.

These are no ordinary pocket knives. The blades are made from cobalt N690 stainless steel which is rust resistant whilst also giving an unbelievably sharp edge. The Tanto model comes in two sizes the larger of which has a secondary locking mechanism. The removable pocket clip wraps around the end of the handle ensuring a secure grip. It has a ambidextrous thumb stud easily operated with left or right hand.