This is the Wenoka SHARP Stainless Steel Scuba Diving Knife With Sheath Features: Conventional sharpened edge for normal cutting. Sharpened line cutter for quick of monofilament or small diameter ropes. Serrated edge for sawing. Useful for sawing submerged tree branches or thick ropes. Soft grip handle for improved grip and comfort. Single piece handle construction deters rust from developing underneath the handle.