The Camillus Yello-Jaket 2-Blade Trapper Pocket Knife with Box has a AUS-8 Stainless Steel blade with a Carbon Fiber and Stainless Steel handle. AUS-8 is a Japanese medium-carbon, high-chromium stainless steel. 1 word says it all, balance. It offers exceptional balance between toughness, edge sharpness, and corrosion resistance. Balance provides lasting value. AUS-8 ranks among the hardest, toughest, and most rust-resistant knife alloys. It's a trusted favorite that enthusiasts prefer time and again. Carbon fiber is actually made from a polymer called polyacrylonitrile combined with woven Kevlar during a complicated heating process. It is widely used because it has a number of characteristics that make it ideal for products required to be light in weight but extremely strong! Carbon fiber is 5X Stronger than steel and lighter than aluminum.