Smooth Surface, Highly Polished , Hypoallergenic , Made of 316L Surgical SteelFree of Lead and Nickel, Comfortable and Health to Wear.
One Set Includes 8 Pcs Horseshoe Hoop Rings with Different Color, Multiple Choices for Your Daily Outfit .Economical Purchase, High Quality.
Gauge=16G(1.2mm),The Inner Diameter =8mm, Diameter of Ball = 3mm,The Size Information Can Be Seen From The Picture too.
The Two Balls Are Easy to Screw on and Screw off, Lock into Place Accurately. as soon as Screw Them Tightly, They Will Not Fall off Easily.