Material: Hypoallergenic Stainless Steel, Nickel Free and Lead Free, High Polished Smooth Surface
The Screw Hole Size is 14G(1.6mm ), Ball Size: 5mm
Fit for most body piercing jewelry including Eybrow,Tongue rings,Nipple Rings Lip Labret Studs,Hoesshoe Ring,Belly Button Rings Piercings,Industrial Barbells, Straight Barbells, Spiral Barbells, Circular Barbells or Curved Barbells