"I own a Fulcrum and a Fulcrum C. I'm convinced Extrema Ratio makes the best knives in the world. As a mechanical engineer, I only look for quality and durability. That perfectly describes these. They're made with high hardness N690 stain proof steel. They can take an absolutely immaculate edge, are not brittle, and do not dull quickly. If I were in a survival situation, the three things I would most want on me are my canteen, my 6" fire steel, and my Fulcrum. I'm sure I could depend on it with my life." Will It is the responsibility of the buyer, not Xtreme Knives, to determine and follow all local, state, federal and international laws and ordinances regarding the purchase, possession, and use of any item purchased from us. Copyright 1999 - 2021 Xtreme Knives (tm). All rights reserved worldwide.