Quantity:2pcs, size: 50mm/2", width 3mm, lobster 10mm. The necklace extender and is made of 100% stainless steel, anti-rust and not easy to be allergic, sturdy and durable, Don't be afraid to wear it while swimming or bathing; Each gold necklace extender comes with double classic lobster claw clasps, can clasp the ends of your necklace. These necklace extenders for multiple necklaces are easy to put on and take off; A set of chain extenders for necklaces contains 5 different length( 5cm,8cm, 10cm, 12cm, 15cm) and 4 different colorswhich meets your different beading or jewellery making needs; This anklet extender works on necklace, bracelet or anklet perfectly. It’s good for expanding the size and giving you the appropriate length. Suitable for various occasions, such as daily wearing, office, party, ceremony, dating and more.