Italian-made professional, multipurpose diverÕs knife, with blade and handle in w 1. 14116 martensitic stainless steel, hardness hrc 55/56, for an extremely sharp and honed blade. A knife with a dagger handle designed specifically for fishing. In the body of the knife a part is intended for the extraction of stranded shafts and for straightening them. The knife can be removed from its sheath quickly and with one hand thanks to a special mechanical system.