This thick heavy gauge barbell piercing is perfect for stretched piercings. The weight of this thcik surgical steel barbell stretches the piercing naturally and it is easy to use as many different kinds of piercings. many sized are available for this heavy gauge barbell piercing and you can chhose the best fit for you from the selection above. Both balls on the barbell piercing are screwable. The whole piercing is made of surgical steel.