The metal clasps from Blue Moon Beads are designed to be used with any neckalce or bracelet to enhance the look of the jewelry. Clasps are used to close bead strands. Most clasps are two-part metal units that open and close. There are many different types of clasps, some quite decorative; such clasps can become an element of design as opposed to a piece of hardware. Each package includes two pieces that measure approximately 1.75" to 2.5".