The Genware Knife Sharpener is the ideal accessory for any Genware or Giesser knife. The sharpener is a great alternative to a traditional sharpening steel and features a two stage process designed to rejuvenate blunt knives with a razor sharp blade. It is also ergonomically designed with a soft grip handle. Not suitable for serrated knives. Age Restricted Product : Not for sale to persons under the age of 18. By placing an order for this product, you declare that you are 18 years of age or over.