These are the all new Swedish Stainless HH series. HH stands for high hardness. We had Konosuke change the heat treatment of these knife and lifted the HRC to 61. Now you can get great performance and easy sharpening with excellent stainless properties all in one. The 150mm Honesuki from Konosuke is made from Swedish stainless steel and comes attached to an octagonal Ho wood handle with a black buffalo horn ferrule. This is a traditional chicken boning knife, but can be used for a multitude of boning tasks. This steel is known for being stain resistant and for the extremely sharp edge it is capable of achieving. As always, with all our Konosuke knives, you have the option of purchasing with or without a saya.