Hybrid Edge Precision - 50% serrated, 50% straight-edge design combines aggressive bite and fine slicing-perfect for tough hides, rope, or layered materials. Perfect Fit, Every Time - Built to the exacting 250-blade standard, ensuring flawless compatibility with Outdoor Edge RazorSafeA(R) 2.5" knives. Factory-Sharp Finish - Heat-treated and hand-finished from Japanese 420J2 stainless for lasting, razor-clean performance. Armor Against the Elements - Black-oxide finish acts as a tough protective layer, combating rust and wear so your blades stay ready in the field. Always Sharp, Always Ready - Keep six factory-sealed blades on hand to swap out instantly-no hassle, no downtime, just fresh performance.