From COBRATEC Knives…

Based out of Waxahachie, Texas, CobraTec manufactures high-quality knives and has become known for its OTF (out the front) automatic knives with built-in safety features. CobraTec Knives are made with D2 steel, an air hardening, high-carbon, high-chromium, tool steel.

Every CobraTec® knife comes with a no-hassle lifetime warranty. D2 steel is an air hardening, high-carbon, high-chromium, tool steel. It has high wear and abrasion-resistant properties.