Is your current necklace too short for you? Do you want to wear your favorite short necklace over a nice cozy turtleneck sweater but need a longer chain to make it work? Look no further! This wonderful chain extender is perfect to add up to 3 inches in length to your favorite necklace. .925 sterling-silver - excellent quality and measures approximately 3mm in width. Order a few for yourself and one for a friend too!