Jewelry Findings: Headpins, 14kt GF 24 ga (0.51mm or 0.020 inch) 2in or 5cm long, head diameter.045in (1.1mm). 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.