Spyderco Byrd Robin2 Black FRN SpyderEdge Knife Ambidextrous tip-up/tip-down clip. Spine and choil jimping. Skeletonized nested handle liners. Screw-together construction. Phosphor bronze bushings for smooth open/close action. FRN Bi-Directional textured handle. David Boye Dent. Flat-ground blade.