Kershaw Ion Throwing Knife Set (1747BWX); Three Full Tang 4.5 In. High-Performance 3Cr13 Double-Edged Spearpoint Blades; Black-Oxide Finish; Paracord Wrapped Handle; Includes Nylon Sheath; 4 OZ Set of three throwing knives made of sturdy, high-performance 3CR13 stainless steel providing good strength, edge retention and corrosion resistance Razor sharp 4.5 inch blade specifically engineered for safe throwing Black-oxide blackwash finish gives the ion a rugged appearance and extra corrosion resistance while hiding fingerprints and scratches