External Thread, Straight Barbell - UK Made. Medical Grade Titanium 6Al-4VEli ASTM:F-136. Mill Certificates available on request. Suitable for*: Lobe / Helix / Forward Helix / Anti-Helix / Tragus / Anti-Tragus/ Conch / Scaffold / Industrial / Auricle  / Nipple  / Tongue *Suitability based on bar size and individual anatomy. Collection: Basic Body & Ear Jewellery