Italian-made professional diverÕs knife, with blade and handle in w 1. 4060 martensitic stainless steel, hardness hrc 55/56, for an extremely sharp and honed blade. It has a v-shaped cross section blade and is equipped with a saw, a line cutter and a loop for the leash. The idroglider gold black surface treatment increases resistance to corrosion in marine environments. Equipped with a 1000 d ballistic nylon sheath and neoprene legbands and armbands in several sizes to perfect fits