Approximately 15x11x8mm brass plated Britannia pewter TierraCast® beaded crown necklace bails, 2-2.6mm loop. From the EuroBeads Collection. Compatible with major name brands of create-your-own jewelry. Necklace bail measurements include loops. Fits up to 4.3mm cord and chain. This style does not open – slide over necklace and use a jump ring to attach pendant. TierraCast Safety Compliance Info.