Jewelry Findings: Magnetic clasps, Gold Plated, 5mm. Magnetic clasps are very strong and are popular with customers, since the clasps will close itself when the two parts are held close to each other. Magnetic clasps should not be worn when one has a pacemaker. Beads from Gems2Behold offer a wholesale beads selection including highest quality glass beads, such as Murano Glass and Venetian beads, Seed beads, Swarovski, Delica, Lamp worked, also Ceramic, Gemstone and Metallic beads, and jewelry making tools and supplies, stringing materials and beading supplies.