Features: Our necklace extender is made of alloy material. High resistance to attack, strong and durable, light and delicate. Various lengths and colors: This set of bracelet extenders for women has 5 different lengths (1.97/5 cm, 2.75 inches/7 cm, 3.94 inches/10 cm, 4.72 inches/12 cm, 5.9 inches/15 cm) and 2 different colors (silver and gold) which can meet your different needs. Convenient to use: These safety extension chains can easily add extra length to your jewelry, such as your chains, necklaces, bracelets, anklets or chokers, make them reach the desired length and more suitable for you. Double Lobster Clasp Design: Our necklace extenders for men designed with double classic lobster clasps, which can tighten the ends of your necklace tightly and easy to put on and take off. Wide Use: The necklace extension chains can be used in making necklaces, bracelets or jewelry. Specifications: Material: Alloy Size: Approx.5cm/1.97inch, 7cm/2.75inch,10cm/3.94inch,12cm/4.72inch,15cm/5.9inch Note: Please allow 1-2cm error due to manual measurement, make sure you do not mind before ordering. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 10 pieces extension chains