Package Content: You will receive 8pcs spring clasps with closed jump ring attached in 4 sizes, 2pcs for each size. Different sizes can match up with different projects, enough to meet your needs. High Quality: Made of stainless steel, opens and closes easily, closure of spring clasps very easy and well for most jump rings and chain, lightweight and sturdy, not easy to corrode or rust, also not easy to break, safe to use. Easy to UseThese spring ring clasps are convenient connectors clasps, simply attach the clasp from your own necklace or bracelet to the spring-ring of the clasp. Easy to fasten or remove, also easy to push and fit for most jump rings and chains. Various Sizes: These jewelry spring ring clasps diameter are 6/8/10/13mm, hole are 2/3mm, the size is exquisite, small enough to match a thin chain and wire. Wide Application: Spring clasps can be used to create your unique jewelry crafts, can be used for necklaces, bracelets,charm anklets, dangle earrings,beads Jewellery making and so on. You can also use them to restore your existing jewelry.