The product is a pack of 100 silver slide-on end clasps, specifically designed for jewellery making. Each clasp measures 16mm in length and features a tube ball bead slider crimp end. These end crimps are ideal for securely finishing off bracelets, necklaces, or other jewellery pieces, providing a professional and polished look to your creations. Made in China, these clasps are a convenient and practical addition to any jewellery maker's supplies.