Kohga Ninja 7 Point Shuriken Rainbow Throwing Star Black Sheath. It is very thick and sturdy and are made from titanium finished 440 stainless steel. Because of the thickness and heaviness of the star, it helps with the balancing and airflow when throwing and allows the thrower to have a sure stick. The length of the blade measures 1 inch. Also, the ninja star has Chinese engravings on it for a more authentic looks and feel. The package includes one titanium Ninja Throwing star with a black nylon carrying sheath with belt loop. Be careful with this star because it is very sharp. Overall Diameter: 4 Inches Blade Length: 1 Inch Points: 7 Star Material: 440 Black Anodize Stainless Steel Includes: Free Black Nylon Pouch with Belt Loop