Jewelry Kit: Jewelry making supplies include a roll of 5 meters gold plated brass chain, 10 lobster clasps and 30 open jump rings. You can use the chain with lobster clasps and open rings to create a variety of your favorite jewelry. Chain Material: This chain for jewelry making material is made of premium brass. It is not easy to rust and fade, strong and sturdy, not easy to break, lead and nickel free, friendly to your skin. Chain Size: The gold lip chain size is about 6.9mm long, 2.5mm wide and 0.2mm thick; the connecting ring size is about 3.6mm long and 2.1mm wide; the lobster clasp size is about 10mm long; the open ring size is about 4mm in diameter. You can choose to stack them or wear them individually. Wide Use: The permanent chain can be used to make necklaces, bracelets, waist chains, anklets, hat chains, bag chains, eyeglasses chains, body chains and so on according to your own preferences. Craft chain is the best choice for family, friends, colleagues, neighbors, DIY enthusiasts and so on. Easy to Use: The jewelry making chain is designed by spool, not easy to knot. You can use jewelry pliers to cut off the length you need, the extra chain can be rolled back to the spool. jewelry making chains