Blue Moon Clasps are designed to be used with any necklace or bracelet to enhance the look of the jewelry. You can make your jewelry any length and then just attach the Barrel, Lobster Claw, Toggle or Multi-Strand set to complete the look. Create fashion jewelry for Today's Woman. 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. Toggle Heart Text Silver 7 sets- Approximately 3/4".