All Chef'sChoice® sharpeners use 100% diamond abrasives. Diamonds are the hardest known material and will sharpen any knife regardless of alloy. Diamonds are tough and durable and diamonds will never detemper a edge.
·Two stage sharpening for incredibly sharp edges
·100% diamond abrasives sharpen blades faster than coventional abrasives
·Precision control for sharper edges and consistent results
·Compact and portable
·Store in a kitchen drawer or carry in a tool box or pocket