Sea star 8pcs Silver and Gold Color Necklace Bracelet Chain Extender (1.5"-5.0") for Jewelry Necklace. Made of gold and silver plated base metal Package Included: 8-Pieces 4 different lengths in 2 different colors (1.6"(4cm) / 2.75"(7cm) /3.9"10cm/4.7"(12cm) Add an extra length to your favorite necklaces, bracelets or anklets Simply clip the lobster claw onto your existing necklace.