Necklace Bracelet Extender Gold & Silver Tone (6 Pcs) (F210) pendant closure 3 different lengths in 2 different colors... 1" (for bracelets/anklets) and 2" & 4" (for necklaces) Simply clip the lobster claw onto your existing necklace.. Easy to use and gives you great flexibility with your jewelry.. Made of gold and silver plated base metal..