Sterling silver Bail 5x2.5mm snap on style, pinch bail is great for pendants, lockets, charms and more. It is a hook or loop that allows a pendant to slide on a chain without having to solder the piece to the chain. Easy to use, just snap the ring or loop of your piece through the opening in the back of the bail.
The easiest way to open up the bail is to gently with a plier after mounting it gently bending the thin side of the bail to the side and then inwards and return it to the middle on the inside . You can now see that it may not go close to the upper part, but you can easily adjust them with the pliers, it is important to be careful with the pliers so that you do not get scratches.