Spyderco Techno 2, from Marcin Slysz's design (SKU C158TIP2). Saber-ground CTS XHP blade. Solid titanium scales with a Reeve Integral Lock, open-backed construction with color-anodized standoffs, and a reversible deep-pocket wire clip for tip-up carry. Made in Taiwan. Specs from Spyderco's Techno 2 page.
Overall 5.98". Blade 2.52". Edge 2.44". Closed 3.46". Thickness 0.138". Steel CTS XHP. Handle titanium. Reeve Integral Lock. Saber grind. 3.4 oz. Clip ambidextrous, tip-up. Origin Taiwan.