Jewelry clasps are one of the important jewelry findings for jewelry making,they are usually made of brass,copper,or zinc alloy.3mm,4mm,10mm,12mm,20mm,22mm,>30mm......Of course there are also different shapes and different colors of clasps wholesale in zSupplies,30 days money back guarantee. Lobster Clasps Toggle Clasps Key Clasp S Hook Clasp Leather bracelet clasp Magnet Clasp Screw Clasps /td>