[12 SETS 2 COLORS FOLD OVER CLASPS]: Comes with 12 sets plated fold over extender clasps 2 colors can fit for your different necklace/ bracelet making needs. One plastic box is included to help you store and protect the jewelry findings. [PREMIUM MATERIAL]: The jewelry extender clasps are made of brass with plated process. Good quality and smooth. Hard to break or deform not easy to rust beautiful and graceful. [SIZE]: Brass Fold Over Clasps: 0.94x0.28x0.16 inch(24x7x4mm) Hole: 0.04 inch(1mm) 2 colors; Plastic Bead Containers: 6.8x5.2x1.1cm. [EASY TO USE]: The fold over clasps are tight and stable hard to be loose avoid missing your bracelet or necklace. String the clasps with your jewelry cord and connect the paw you can repair broken bracelets or make a new one. The clasps are also good extenders for your bracelets. [WIDE APPLICATION]: The fold over clasps can not only be used to repair the broken jewelry can also be used on extending your bracelets and necklaces. If you want the clasps are aslo good supplies to make exchangable necklace connect beautiful charms with one side and the other side can be stringed with necklace you can change the side with charms everyday to fit for your daily outfit.