Heretic Knives Custom Koschei Crossbar Lock Marbled Carbon Fiber 3.5" M390 DLC Mirror Polish 
 
Introducing the Heretic Custom Koschei Marbled Carbon Fiber Handles & DLC High Polish M390 - New from Maker - Blade Show Atlanta 2026 
 
Featured at the Blade Show Atlanta 2026 and now available at Charlie's Knives. This exceptional manual-folding knife boasts a 3.5-inch blade crafted from premium M390 steel, paired with a striking marbled carbon-fiber handle for lightweight durability. With an overall length of 8.125 inches and weighing just 3.7 ounces, it delivers superior performance and balance. Proudly made in the USA, the Koschei combines cutting-edge materials with expert craftsmanship, reflecting our commitment to providing high-quality knives for every enthusiast.
 
At Charlie's Knives, we are proud to bring this premium piece to our knife community, reflecting our commitment to high-quality knives and exceptional craftsmanship.