【Package Includes】: This set includes 4 double-ended lobster clasps. Each chain is approximately 25mm/0.98 inches long, and each lobster head is about 10mm/0.39 inches long and 0.6mm/0.02 inches wide. The perfect size for small to medium DIY jewelry designs or crafts. 【Reliable Material】: These bracelet connector straps are made of high-quality stainless steel, which is hypoallergenic and tarnish-resistant. They're strong and won't easily break, so you don't have to worry about them rusting. The surface of each extension chain is polished for a bright and shiny finish, perfect for your jewelry accessories. 【Clever Design】: The metal lobster clasps feature a classic double-ended design, securely fastening both ends of necklaces or bracelets. They easily add extra length to your jewelry, such as chains, necklaces, bracelets, anklets, and collars, allowing you to achieve your desired length. Easy to put on and take off, providing a pleasant user experience. 【Wide Range of Uses】: These snap hooks are perfect for making lanyards, keychains, handbags, backpacks, wallets, dog collars, straps, wristbands, and other DIY crafts. 【Multi-Purpose】: This silver hook kit can be used for children's art projects, hanging curtains, and displaying photos. The creative possibilities are endless! The metal swivel clip opening makes it easy to use clips and maintains a firm grip.