PICOLLET FIRST SET Purchased for ¥11,000, these earrings are made of metal allergy-friendly material. Brand new, unused. Color: K18 Gold Top ball size: 2.5mm Length of the barbell part of the back: 8mm Thickness: 16 gauge (diameter: 1.2mm) 16 gauge is a common thickness for earlobe piercings. Included: Box Scratches/Discoloration: None