12mm Plated Round shaped Magnetic Clasps with a Swirling design are sold as one finding and have two 4mm rings at each end with approximately 2.5mm inside diameter holes. The overall length of this clasp is approximately 20mm. This Magnetic Clasp is available in 22kt Gold Plated, Silver Plated, Antiqued Silver Plated, Rose Gold Plated, and Black Gold Plated.