1.Durable Material: Our necklace shortener are made of high quality 316 stainless steel. NO nickel and allergy free stronger and more durable, can use them for a long time.

2. Necklace Clasp Size: L 0.47”,D 0.25”（12mm*6.5mm). Double opening appearance, The appropriate size fits most necklaces and bracelets.

3. Package Including: 3pcs gold double opening lobster clasps+ 3pcs silver double opening lobster clasps.You just press the spring, hang on the small items and shut down, it will keep your things from falling off.

4. Wide application: Wide usages the extenders are suitable for jewelry repair and assorted jewelry making projects, such as chains, necklaces, bracelets, anklets. Metal S-type buckle Fashion mini snap hook necklaces connectors for leather craft garment bag key ring DIY jewelry finding.

5.Easy To Use: Lobster claw clasp can be opened independently by both ends, which can tightly fasten both ends of the necklaces.