Wusthof Precision Edge 2 Stage Knife Sharpener for $14.99. Shipping is free on orders over $25. If needed, use this Filler Tool to pad the order to qualify for free shipping. Here is a screenshot for your reference. This knife sharpener features hard carbide steel blades for a coarse sharpening stage and fine ceramic rods for the honing stage. It measures 9 by 1-1/2 by 3-1/2 inches, and is weighted for added safety. Most places have it for about $19.