Materials; Titanium GR2,GR5(6AL4V) Spec: M5*10MM Torx25 Treatment: Polished Anodizing(Blue,Gold,Red,Black) Weight: 1.2g Disc Brake Rotor BoltMaterials; Titanium GR2,GR5(6AL4V)Spec: M5*10MM Torx25Treatment: PolishedAnodizing(Blue,Gold,Red,Black)Weight: 1.2g China supplier of bolts Disc Brake Rotor Bolt