Description:Material: Stainless Steel Hypoallergenic andbody jewelry.Color: Gold, Steel color,Black,Blue,ColorfulRod Thickness: Approx. 0.05 inch/1.2 mm(16G); Rod Length: Approx. 0.43 inch/ 11 mmBall Diameter: Approx.0.16 inch / 4mm;Specification:Type1(triangle hanger): 15 x 13.5mm / 0.59 x 0.53 inch;Type2(Square): 12 x 12mm / 0.47 x 0.47 inch;Type3(Heart): 12.5 x 11mm / 0.19 x 0.43 inch;Type4(Star): 12 x 12mm / 0.47 x 0.47 inch;Type5(Triangle): 12 x 11mm / 0.47 x 0.43 inch;Type6(Round Diameter): 13mm / 0.51 inch;Package Includes:10 Pieces Barbell EarringsNote:Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above. Meanwhile, please be reminded that due to lighting effects, monitor's brightness / contrast settings etc. there could be some slight differences in the color tone of the pictures and the actual item.