Chef's Choice Chef'sChoice 300 Diamond Hone Knife Sharpener, 2-Stage, White

100 percent diamond abrasives sharpen carbon and stainless-steel knives
First stage sharpens blade, Second hones razor edge
Magnetic guides hold blade at proper angles; no need to press down
Double-bevel edge is sharper and lasts longer than factory or professional edges
1-Year warranty against defects