Pure gold barrel
The long barrel is in 24k pure gold (足金). As it is to be worn as bracelet which is susceptible to external pressures, greater amount of gold is used to make it thicker. Hence, it will not go out of shape easily due to the softness of pure gold.
The barrel has carving of coins throughout. It is 48mm long and 7.5mm thick.
The gold barrel can be worn as both bracelet and necklace.