Spyderco Para 3 Lightweight (SKU C223PBK). Full-flat CTS BD1N PlainEdge blade, tumble finish, no coating. Linerless open-backed FRN handle with Bi-Directional Texture, inset stainless lock bar, Compression Lock, lanyard hole, and a reversible deep-pocket wire clip for tip-up carry. Made in the USA. Specs from Spyderco's Para 3 Lightweight page.
Overall 7.2". Blade 2.93". Edge 2.58". Closed 4.29". Thickness 0.145". Steel CTS BD1N. Handle FRN. Compression Lock. Full-flat grind. 2.4 oz. Clip ambidextrous, tip-up. Origin USA.