A 14k yellow gold 5.5 by 2.3mm sized grooved snap on bail that fits up to a 2.0mm chain. Available in 14k yellow, gold filled or sterling silver.
A 14k gold 10.0 by 4.3mm sized grooved snap on bail that fits up to a 3.5mm chain. Easily snaps on to lockets or pendants with no solder needed.