This jump rings kit includes 1200 pieces in 5 sizes (4mm, 5mm, 6mm, 8mm, 10mm), suitable for bracelets, necklaces, chain mail and jewelry projects. The set contains golden jump rings, lobster claw clasps, bent nose pliers, tweezers, and a jump ring opener. The pliers may have protective oil coating to prevent rusting. The kit comes in a compartmentalized storage box with individual snap lids for easy organization. To use, hold one end of a jump ring with pliers, insert the opener into the gap, and twist in opposite directions to open or close.