DESC: Most boning knives are stiff to help work around bones, but for certain applications a bit of flexibility is needed. This is a fine example by J.A. Henckels. Used by professional and home chefs everywhere, the Henckels mark means quality fabrication and great value. J. A. Henckels is recognized world-wide for fine quality kitchen cutlery. The Pro S series of cutlery features FRIODUR ice-hardened blades, unique Sintermetal Component Technology in the blade material, and traditional, three-rivet handles.