Package Includes: 8 pieces of slide clasps, available in various colors. Sizes are approximately 13mm/0.51in for 2-strand clasps, 20mm/0.79in for 3-strand clasps, 23mm/0.91in for 4-strand clasps, and 26mm/1.02in for 5-strand clasps. The clasp diameter is 3mm/0.12in and the thickness is 1mm/0.04in. Please confirm the size before purchasing. Design: This clasp features a long tube shape, with each half equipped with multiple chain rings. You can attach bracelets or necklaces to it, making it a great choice for jewelry decoration. It comes with a box for convenient storage. Durable Material: The slide clasps are crafted from lightweight alloy that resists fading and is suitable for long-term use. They are perfect for creating multi-strand necklaces or other handmade jewelry. Easy Installation: The tube can be opened by pulling the halves apart and closed by sliding them back together. This provides connection points for multiple strands, making it user-friendly for jewelry making. Flexible and Fun: Wear it with any necklace and change it up anytime. It helps you create various layered combinations and prevents layered necklaces from tangling when worn, making you look more charming.