Bastion web site says "consider it a novelty item, will not replace steel"
http://www.magplates.com/BASTION-GENTLEMEN-S-CARRY-KNIFE-CARBON-FIBER-BLAD-p/gntlmnscrrknf-cfbld.htm
I have several CF knives they do cut certain things that most not very sharp knives will cut. I cut some plastic pallet strapping with mine as a test, it got dull fast but you can sharpen with sand paper to the not very sharp level easily which is as sharp as CF gets.