Sterling silver bails / pendant eyes

A bail, also called hang eye, is a very useful piece of jewelry item to hang on a hanger or for example a drop. You make it with the finest jewelry. Consider some beautiful earrings with a faceted drop. The bail makes it a neat whole. The most common alloy of silver is called sterling silver.

From 92.5% pure silver, there is a silver content. The remaining 7.5% is made up of other metal (usually copper). Pure silver is quite soft and therefore would adornment parts including the bails / pendant eyes are very vulnerable. Hence, there is a different metal is added to it.
The mark 925 indicates that you have to deal with sterling silver.