This Zwilling Four Star 5-1/2" Flex Boning Knife is a slim, curved blade with a straight cutting edge. It is mainly used to take meat off of bones, and the flexibility of the stainless steel allows it to get closer to the bone and ribs than other knives in its class.
The Zwilling Four Star 5-1/2" Flex Boning knife is forged from a high-carbon German Stainless steel in Germany. Zwilling J.A. Henckels offers a full guaranty on the materials and craftsmanship of their knives. If there is a problem with one of these, then send it to Zwilling J.A. Henckels for a replacement.