Features: High quality Steel alloy material,very durable.Corrosion-resistant, light weight. Easy installation,installation with wrench or adjustable wrench, tighten the appropriate intensity on it. It works functionally- and adds pleasant color to your bike, practical and chic. Suitable for mountain bike, road bicycle, fixed gear,and so on. 4 beautiful colors for your option: black/colorful/gold/titanium color. Package Includes: 12x MTB Rotor Bolts Specifications: Material: Titanium alloy Size: M5x10mm Color: black/colorful/gold/titanium color Assist tool: T25 wrench Recommended torque: 5-6N.M note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.