1、WIDELY APPLICABLE: Spring ring clasps can be used for necklaces, bracelets, anklets, earrings, bead jewelry making and so on. 2、METAL MATERIAL: The spring ring clasps are made of copper, high strength, fine luster, wear resistance and durable. 3、SPECIFICATION: Copper spring ring clasps have a diameter of about 35mm and a small hole diameter of 20mm. Simply attach the necklace clasp to the spring ring, easy to open and close. 4、20PCS: The package contains 20pcs bracelet spring ring clasps, enough quantity to meet your DIY craft needs, bring you more convenience. 5、MINI AND COMPACT: The small and compact body of spring ring clasps will not take up too much space for use, easy to store and use. 20 x Spring Ring Clasps    Item Type: Spring Ring ClaspsMaterial: CopperSize:Spring Ring Clasp Diameter: Approx. 35mm/ 1.38in Small Hole Diameter: Approx. 20mm/ 0.79inSpecification: 20pcs