316LVM surgical steel Opal Bezel-set External 5mm bottom bead and 8mm top bead Tongue, Nipple, Bridge, Conch, Project Piercings, Transverse Lobes, and more! Each piece is sold individually. Where can you wear the Large Opal Straight Barbell? Almost anywhere - straight barbells are one of THE most versatile styles of jewelry we carry. Wear a straight barbell in piercings for the look of studs. The perks of a straight barbell: they move less and catch on fewer things than hoops. This is why piercers use curved or straight barbells instead of captive bead rings and circular barbells for fresh piercings. The Large Opal Straight Barbell is 316LVM surgical steel, so it's hypoallergenic! 316LVM surgical steel goes through a process called low carbon vacuum melting. The process sucks the nickel out of the steel. Nickel is one of the most common causes of metal allergies. This process cannot remove 100% of nickel. As a result, a small number of people react to it. We recommend our BioPlast, anodized, blackline, or untreated titanium body jewelry if this is a concern for you It's . In other words the bead screws onto the post. Our opal is lab-grown. Lab-grown opals are ideal for body jewelry. Firstly, they're more durable than natural opal. Secondly, they're safe in an autoclave. Thirdly, lab-grown is ethically sourced. A bezel setting holds the 3mm opal. This piece is a favourite for so many piercings (like we said before). Here are a few examples: tongue, nipples, conch piercings, transverse lobe piercings, project piercings, and so many more than we can list! Show us where you wear yours with #BodyModsFamous on Instagram. We LOVE seeing our jewelry out in the real world. Finally, don't forget to follow us on and for updates on new jewelry, product info, sales, and more.