Feature:1. Premium Material: High strength titanium alloy material, fine workmanship, high hardness, not easy to deform.2. Treated: Anodic oxidation treatment, bright color, corrosion resistance, not easy to fade over time.3. Compact and Portable: Compact in shape, light and portable, does not take up space, and can be placed anywhere.4. Product Application: Cycling crank bolt is suitable for square hole central shaft, crankset, crank waterproof fixed screw.5. Product Specifications: Cycling crank screws specifications is M8x15mm, the optional colors are colorful, gold, black.Specification:Item Type: Cycling Square Hole Center Shaft Waterproof ScrewProduct Material: Titanium AlloyProduct Specifications: M8x15mmWeight: Approx. 50g/1.8ozProduct Application: Square Hole Central Shaft, Crankset, Crank Water proof Fixed Screw.Package List:2 x Screw2 x Washer