Material: Made of Solid Grade 23 (G23) Titanium, Nickel and Lead Free, Hypoallergenic, Safe for Sensitive Skin. Highly Polished Finishing Makes Super Smooth and Shiny Surface. Microdermals Piercing Size: Gauge: 1.2 mm(16g) Internally Threaded for 14 gauge anchors, Top: 4mm. High Quality: Safe Material, Hypoallergenic and Nickel Free, Harmless Your Skin, It's a Healthy Choice for You. Jewelry Type: Internally Threaded Jewellery, Surface Jewellery, Threaded / Push Fit Accessories. Suitable for Lip, Labret, Necks ,Backs, Cheek, Anti-eyebrow, Chest, Monroe piercing or Any Body Part. If there are any problems with the purchase, please feel free to contact us, we will help to fix the problem