A Wusthof Classic 4 1/2" Asian utility knife with a black handle (SKU 1040136812). Forged in Germany, 58 HRC. Curved straight-edge blade listed at 4.7" long, 1.2" wide. Sized to work as a mini chef's knife and a parer for small- and medium-size fruit, vegetables, cheese, and trim work. Specs from Wusthof's Classic 4 1/2" Asian utility page.
This knife sharpens to a razor's edge every time.