This is the Cressi Predator Knife Sharp Tip Stainless Steel Scuba Dive Knife with Shealth and Straps Features: Cressi Predator Knife Stainless Steel Corrosion Resistance Blade Type; One Side: Straight Edge, One Side: Partially Serrated Handle Material: Rubber Blade Length: 3.39 (8.6 cm) Overall Length: 7.09" (18 cm) Tip Style: Drop Point Line Cutter Durable Sheath Knife Sheath with Eyelets and Straps The Cressi Predator Knife is the perfect tool for any diver looking for a quality blade while underwater. The Predator is a small drop point tip knife. The Knife blade is made from Japanese 420 stainless steel with a black coating blade treatment for corrosion resistance and a great stealthy look. One side of the blade has a straight edge and the other side is partially serrated. The blade length is 3.39in (8.6cm) with an overall knife length of 7.09in (18cm). Includes a durable knife sheath with straps. "