Chef&rsquo;sChoice 130 Professional Electric Knife Sharpening Station for Straight and Serrated Knives and Uses Diamond Abrasives Made in USA, 3-Stage, Black Electric knife sharpener with 100-percent diamond abrasives Sharpens, steels, and strops most brands and types of knives Super-hardened miniature steel; flexible stropping disk Angle-guides for foolproof sharpening; on/off switch; stabilizing feet Measures 10 by 10 by 4 inches; 3-year limited warranty