Electric 3-stage knife sharpener for straight, serrated, single-, and double-bevel knives * Puts a sharp edge on european/american (20 degree) and asian-style (15 degree) knives * Patented flexible stropping/polishing disks for a microscopically polished edge * 100-percent diamond abrasives sharpen and hone; knife guides * Measures 12 by 6-1/5 by 6-2/5 inches; 3-year limited warranty