What is this?This jump ring is made of stainless steel, which is a versatile and versatile tool suitable for various jewelry making, jewelry repairing, DIY crafts, and can also be used as a key clamp. The stainless steel ring has good smooth surface and durability.What will I get?The Key Rings Clasp, We Provide here, is in size of:Outer Diameter: 8mm/0.31 inchInner Diameter:6.4mm/0.25 inchThickness: 0.8mm/0.03 inchColor:SilverMaterial:Stainless SteelIn the package of: 1200 x Metal Ring StickersAre there any advantages of the product?This Open Jump Ring offers multiple different sizes, such as 3 to 8mm, as well as different colors to meet the design and needs of different projects. Stainless steel Key Rings Clasp has good surface and durability, suitable for long-term wear or display. Small size makes it easy to store and carry, making it an excellent choice for DIY bracelets, necklaces, earrings, decorations, and jewelry design.How to use it?Use bent nose pliers and a bonus jump ring opener to clamp one end of the jump ring, insert the other end into the gap of the jump ring in your hand, thread the jewelry or perforated keychain into the middle of the ring, and use both hands in opposite directions to open/close the jump ring.What should I notice?Please confirm the required size, quantity, and color before purchasing, and pay attention to the usage of tools such as nose pliers and bottle openers.