Description: EARRING KIT: Earring making kit contains earring backs, butterfly earring backs, earring posts, and jump rings. You can use it to make or repair your earring and jewelry . TWO TYPE EARRING BACKS AND FINDINGS: This earring making supplies kit includes 2 kinds of earring backings, various sizes, universal earring findings and 3 kinds of jump rings to fit your different needs PRACTICAL TOOL KIT:Simply use the jump ring is great to connect the earring hook and your charms. Then the rubber earring backs work great to secure your earrings . HIGH QUALITY CONTAINER BOX: All the earring making supplies are placing independently in a storage container, keep the small parts tidy and organized, and easy to carry . PERFECT FOR JEWELRY MAKING: The open jump rings are suitable for many projects like linking small chain and earrings, making bracelets, repair necklaces, and other jewelry projects . Specification: Material: Alloy, Acrylic Color: Argent Size Chart: Package Size: 13cmx7cmx2.4cm/5.12inchx2.76inchx0.94inch 4mm-10mm/0.16inch-0.39inch Package Includes: 1 Set Earring Making Kit Note: Please allow slightly errors due to manual measurement and different monitors.