SC07FP4K390 Spyderco Police 4 Lockback SpydercoThe Spyderco Police 4 pairs Bohler K390 tool steel, a notoriously hard and wear resistant stainless, with a proven drop point full flat grind that handles slicing and piercing alike. At 4. 38 inches and just 119 grams, it sits perfectly between compact EDC and serious utility work, backed by the proven lockback mechanism and reversible pocket clip. K390 demands regular stropping between sharpenings, but rewards that care with edge retention that