Spyderco Stretch 2 Lightweight Straight Spine K390 (SKU C90FP2K390). Full-flat K390 MICROCLEAN blade with a straight spine. Blue FRN handle with Bi-Directional Texture, skeletonized stainless liners, back lock, and a four-position clip. Made in Japan. Specs from Spyderco's Stretch 2 Lightweight Straight Spine K390 page.
Overall 8.19". Blade 3.48". Edge 3". Closed 4.71". Thickness 0.118". Steel K390. Handle FRN. Back lock. Full-flat grind. 3.7 oz. Clip ambidextrous, 4-position. Origin Japan.