Entirely kraft made by J-Charles CLAUDEL, the 1/4 hollow blade is made out of homogeneous steel (115W8). It's hardness is about 64 HRC which is very hard, meaning the blade keeps its bevel for a long time. The thin handle is made out of bone with a blue tinted bone spacer. Rivets are made out of nickel silver with inox rings.A unique piece, featuring a blue colored back and tang, a french nose and round back.