Add versatility to your collection of necklaces and chains with this simple, yet elegant charm lock. Easy to open and snap shut, it is fashioned from just under a gram of 14k yellow or rose gold. Pop it between thick open link chains to add varying charms or over nugget gemstone necklaces or large gold ball chains. This lock works wonders for easily slipping between the thickest bead necklaces. It's an investment you will use daily.