Package:10pcs Gold Brass Spring Ring Clasps 7mm Diameter Open Spring Ring Round Clasps Material:brass Size:approx 7mm Made of brass, opens and closes easily, closure of spring clasps very easy and well for most jump rings and chain.Can be used for necklaces, bracelets,charm anklets, dangle earrings,beads Jewellery making and so on. Easy to use,simply attach the clasp from your own necklace or bracelet to the spring-ring of the clasp.With other jewelry to make an exquisite jewelry or beautiful ornament. Great accessories for repairing or making necklaces, bracelets and los of DIY handmade craft jewelry that you need.