These bolts are great accessories for bike seatpost collar, derailleur and handlebar stem.

Features:
Full CNC anode cutting, suitable for all kinds of weather, never rust.
Perfect fit for bike seatpost collar, derailleur and handbar stem.
Light weight, high strength titanium bolts with many applications.

Specification:
Material: TC4 Titanium alloy
Color: Titanium / Gold / Rainbow (Optional)
Size: M5×16mm / M5×18mm (Optional)
Head Diameter: 8.4mm / 0.33in
Head: #4 Torx Head 
Package Size: 5 * 5 * 2cm / 2 * 2 * 0.8in
Package Weight: 28.6g / 1oz

Package List:
6 * Bolt