Features: Quantity: 12 pieces, 6 different length:1inch; 2 inches, 3 inches, 4 inches, 5inches;6 inches, each size 2 pack(6 gold, 6 silver) Material: Made of Stainless steel, Solid and Durable. Considerate Design: Classic lobster claw clasps, easy to put on or take off; Convenient to use. Easily add the length of your jewelry, for necklaces, bracelets or anklets. 6 Different length and 2 Colors Extension Chains. Multiple sizes and colors meet your different needs. Specifications: Material: Stainless Steel Size: Approx.3cm/1.18inch; 5cm/1.97inch;7.5cm/2.95inch; 10cm/3.94inch; 13cm/5.12inch; 15cm/ 5.91 inch Note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 12 Pieces/Set Extension Chains