Unique design with double opening: our double lobster clasp metal has a classic double head design that can attach both ends of the necklaces or bracelets tightly, and they can hold your jewellery, such as necklaces, bracelets, anklets and collars, slightly extra length, you can get the desired length, convenient for you to wear and remove, which brings you a beautiful user experience Premium material: our double carabiner necklace extension is made of beautiful stainless steel material, with beautiful allergy protection and discolouration, strong and not shatterproof, you do not have to worry about it rusting, you can serve you for a long time, the surface of each extension chain is polished by a delicate process, very bright and shiny, suitable for your jewellery accessories Excellent craftsmanship: Bracelet connector extender carabiner hooks are attached to both ends of the chain extender, which makes it easier for you to attach, you just need to press down the protruding part of the lobster clasp, then it can be unlocked, you can hang your chains or jewellery, it is also convenient to lock, keeps your items firmly clicked, you do not have to worry about them falling off and getting lost Wide ApplicationsNecklace bracelet extenders are suitable for jewelry repair and various jewelry making projects. You can use them as broken bracelets or necklaces connectors, attach pendants and accessories to your jewellery chains, key rings or watch chains and make delicate jewellery crafts gifts, they are compatible with a variety of DIY accessories Package contents: you will receive 4 pieces lobster clasps, each chain has a length of about 25 mm/0.98 inches, each carabiner head is about 10 mm/0.39 inches long and 0.6 mm/0.02 inches wide, the right size is suitable for small and medium DIY jewellery design or crafts to meet your different jewellery needs, you can share them with friends or as spare parts. Prepare