"The Cressi Grip Blunt Diving Knife for Scuba, Snorkeling, and Spearfishing with Sheath and BCD Holder is a small-sized knife with a tapered blade that makes it ideal for spearfishing. The blade is made in stainless steel. It features a high-precision dagger-point tip. 1 side is an extra-rigid serrated blade for sawing; the other side is a skillfully crafted straight blade. It features an ergonomic non-slip handle grip and a hole to add a lanyard (not included). The knife comes with a sheath that can be attached to the BCD shoulder strap. The sheath has a locking mechanism that prevents the knife from falling out. With 2 rubber straps (included) you can fix the sheath to your leg or your arm. Blade Length: 3.1"". Overall Length: 6.8"". Knife Weight: 1.7 oz. Weight with Sheath: 3 oz. Mfrs. 2-year limited warranty.Manufacturer model #: RC559410. Stainless steel blade Extra-rigid serrated side and straight reverse side High-precision dagger-point tip Ergonomic non-slip tip Sheath with locking mechanism"