When evaluating a Karambit Knives Factory, the most critical factor is the blade material. High-quality tactical knives should use stainless steel such as 440C, D2, or 14C28N to ensure superior edge retention and corrosion resistance. Additionally, pay attention to the tang construction; for professional or heavy-duty use, a full-tang design is essential for structural integrity. The handle material should be ergonomic and durable, typically utilizing G10, Micarta, or high-strength polymer with a non-slip texture to ensure safety during the unique 'hooking' and 'spinning' maneuvers characteristic of Karambits.