These bolts are great accessories for Disc brake rotor or water bottle cage. Features: Full CNC anode cutting, suitable for all kinds of weather, never rust. Perfect fit for Disc brake rotor or water bottle cage. Light weight, high strength TC4 titanium. Specification: Material: TC4 Titanium alloy Color: Titanium / Gold / Rainbow (Optional) Size: M5×10mm Head: T25 Torx Package Size: 5 * 5 * 2cm / 2 * 2 * 0.8in Package Weight: 32g / 1.1oz Package List: 12 * Bolt