Price for one connector. Outside diameter 13mm. Made in US by Tie Price for one connector. Outside diameter 13mm. Made in US by Tierracast.  Quality gold plating over lead-free pewter. The Tierracast earring design above uses the Gold Plated Hammertone Ring Link - Medium, Gold Plated Hammertone Ring Link 3/4" (Large), and Tierracast Gold Plated Jump Rings - Oval 4mm x 3mm. The Tierracast earring design above uses the Gold Plated Hammertone Ring Link - Medium, Gold filled Ear Wire, stamped with ball, Gold Plated Ball Pin 24g 2", Gold Plated Nugget Heishi 5mm, and Tierracast Gold Plated Jump Rings - Oval 4mm x 3mm. rracast.  Quality gold plating over lead-free pewter.