Wusthof Precision Edge 4 Stage Knife Sharpener, MSRP$40 (2944-7)

Wusthof number 10688. Simply slide the cover over to Asian knives to sharpen your Asian knives to a 20 degree angle or 10 degrees per side. Simply place the gadget on a flat work surface and hold the E-Z grip handle with one hand and the knife handle with the other.