This sterling silver magnetic clasp features contemporary contours and accommodates 3mm cord or chain. The clasp design offers the additional security feature of interior tabs that prevent the clasp from simply sliding apart; the two halves must be lifted apart, keeping the strand securely closed when worn. Use jeweler's epoxy to secure cord or chain into the clasp ends. A magnetic clasp is a two-part clasp with a magnet in each part that holds securely, yet opens and closes easily—ideal for those who have difficulty using regular clasps. To help prevent loss, care should be taken to ensure that the jewelry piece is not heavier than the clasp can support.