Sterilized Surgical Steel 14g, 12g & 10g 5/8" 10mm Slave Ring PA Horseshoes. The horseshoe is 5/8" or 16mm dia ring is 10mm all balls are 6 & 10mm dias. ONE Sterilized Pieces of Body Jewelry in Sterilization Pouch, 100% Germs Free. WE ship in the padded mailer so you will get it  safely and it will be germs free. Any question message through the EBAY message system, will reply in 24 hours. Ship same day in few hours which take the jewelry to be sterilized in Autoclave. This is externally threaded Barbell.