Our products are positioned as outdoor fashionable, portable and multifunctional EDC tools. As EDC tools, we first need toughness and sharpness retention. We have reduced the hardness and obtained good sharpness retention and product toughness. Blade material: D2 high-speed tool steel Blade thickness: 3mm Blade hardness: 58HRC Tool handle material: titanium alloy Open length: 126mm Closing length: 75mm Knife weight: 41.6g Surface treatment: 1 stonewashing 2. fired blue