Durable and Well Made -- The o ring connectors are made of quality iron, hard texture, not easy to break or twist when you open or close it, formed well in uniform size, and the claw clasps are made of zinc alloy, polished well no burrs and comfortable to wear Multiple Usage -- These round open jump rings and claw clasps kit are suitable for many projects, such as widen the small hole of the original charms, making and repairing keychains, bracelets, necklaces, chain mail, charms, anklets, keychain, a whole bag chain and other jewelry related projects How to Use -- Each 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, and the clasps can connect the cords ends of necklace, etc, repairing or making your jewelry Rich 12 Colors -- You will receive metal jump rings and claw clasps in 12 colors, each style has 6 colors, totally 1380 pcs, different colors can meet more DIY projects with colors matching needs, the jump rings is about 6mm in diameter, 0.7mm thick, 21 gauge, please check the size before buying Simple and Classic -- The jump rings have round shape, simple and classic, versatile and easy to match, the clasps are polished, presenting a little soft glitter, they can be easy to match various jewelry with different kinds of styles