Well made：CNC machined from full Ti-6Al-4V titanium alloy with thickness of 4mm, outer surface treated with sandblasting stone washing process, make this keychain light and strong.
Ingenious design：The spring is made of a bent titanium alloy wire with diameter of 1.85mm, which is strong and durable.
Creative design：The exterior appearance shape like Arabic numeral 6, which has the auspicious meaning of the ancient east. The shape is simple and easy to use, the hole of the carabiner is closed, which is effectively prevent keys from being lost.
