Chef&rsquo;sChoice 320 Diamond Hone FlexHone Strop Professional Compact Electric Knife Sharpener with Diamond Abrasives and Precision Angle Control, 2-Stage, White Unique patented stropping and polishing stage Two-stage sharpening for durable, longer-lasting edges 100% diamond honing; guaranteed to never detemper Precision elastomeric spring guides hold blade at the proper angle Totally safe for quality knives