Real 18K Gold Plated -- The golden color jump rings are real 18k gold plated, not easy to fade and more shiny than ordinary materials, adding beauty to jewelry details. Warm tip: To extend the service life of shine surface, please try to avoid contact with waterHow to Work with -- Each stainless steel jump ring is opening, you can use tools to widen the opening, and string the hole of your favourate charms onto the jump ring, then press tightly the two ends of the ring to make it closed, then your big hole charms are done, making it more easier to string on some wide ropes304 Stainless Steel -- The connector split rings are made of 304 stainless steel, hard texture, not easy to break or twist when you open or close it, smooth edge, no burrs, comfortable to wear, and formed well in uniform size for better match other accessoriesWide Usage --These open jump rings are are suitable for many projects, such as widen the small hole of the original charms, making and repairing bracelets, necklaces, chain mail, charms, anklets, keychain, a whole bag chain and other jewelry related projects8 Styles and 2840 Pcs -- You will receive 2840pcs metal jump rings in 8 styles, including 2 colors of gold and stainless steel, different styles and colors can meet assorted connecting needs for better linking effect, the sufficient quantity can meet yourself or your group's crafting need, please refer to the picture for specific size and check before buying