Stealthy black oxide coating Full stainless steel liners Four-position pocket clip also sport nonreflective black coatings. For tactical end users concerned with light discipline and those who simply prefer the no-nonsense look of a black blade, this version of the Persistence Lightweight cloaks the 8Cr13MoV blade in a stealthy black oxide coating. Consistent with that theme, the knife*s Bi-Directional Textured FRN scales are also black and the handle*s hardware, full stainless steel liners, and four-position pocket clip also sport nonreflective black coatings. The full-flat-ground blade of this knife is available with a choice of a PlainEdge or CombinationEdge.