Package includes 5 x extension chains. Features - Product information: Extended chain with lobster clasp - Quick to connect: Features the lobster clasp, easy to connect most jewelry clasps, making your handmade necklaces, bracelet process easier end chains for jewelry making. - Package size: Approximately 18 x 3 cm. - Shiny appearance: Plated surfaces, beautiful as decorative accessories for jewelry making. - Material: Stainless steel. - Sturdy material: Strong strength to hold jewelry more securely; Easy to store and carry these small extension chains. - These are for DIY jewelry making, easy to put on or take off, convenient to use and allow you to easily add length to your jewelry. - The extension chain set includes two parts. You can choose one part or a combination of them to create your stainless steel jewelry. - Color: Black. Product description: Chain clasps for jewelry making. Perfect for use on necklaces, bracelets, and jewelry accessories. Extension chains for jewelry. The chain extension set is available in various sizes to meet your different needs. Chain extenders for jewelry making. Made of stainless steel material, these extension chains are durable and safe to use.