Description: Package Included: 10mm 30Pcs slider on end tubes clasps with chain or 10mm 16mm 300Pcs mixed slider on end tubes clasps without chain; Normal size will fit your craft needs, perfect to end your jewelry piece. Way to Use: The tabs on the end allow you to slide your project through the slot. Once your project is in place, fold the tabs in and pinch the end Caps closed around your project. Material: Our clasps are made of iron, will not rust. Durable, sturdy and lightweight. Design: The sturdy and well quality made clasps designed with unclosed, making the item very easy to use and convenient to take along.Suit for your craft projects and daily needs. Wide Usage: Great for ending seed bead earrings, bracelets, bangles, necklace, chokers, keyring or some other DIY crafts. Specification: Material: Iron Size Chart: With chain: 10mm/0.39inch Without chain: 10mm/0.39inch, 16mm/0.63inch Package Includes: 30 Pieces Slide On End Clasps or 300 Pieces Mixed Slide On End Clasps Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!