Labret Studs. Set of three 316L Surgical Steel Gem Labret Studs. 1.2mm Gauge (US 16g). Available in 5mm - 8mm lengths. Available in a choice of gems. Supplied with screw-fit 2.5mm, 3mm and 4mm gem balls. Other scew-fit add-on's such as micro plain balls and cones can be purchased separately to be used with this body jewellery. Made from highly polished, 316L surgical steel. Ideal for ear piercings such as helix, forward pinna, forward helix and earlobe. For help with sizing please read our Sizing Guide below.