FreshTrends Purple Flower Synthetic Opal Stainless Steel Cartilage/Helix Earring - 18G 5/16 QUALITY PIERCING JEWELRY - Made from surgical grade stainless steel. The barbells are externally threaded. SIZE - Each barbell is 18 Gauge (1.0mm) 5/16" barbell length (7.9mm). The flower is 5mm accross from one end to the other. PACKAGING - This FreshTrends ring is sold individually and comes in tamper proof branded packing. It is brand new and never used, and guaranteed against manufacturers defects. GREAT VALUE - These high quality items retail for $24.99 each. IMPROVED DESIGN - Improved design for better insertion and tightening. Each piece must pass our quality control standards before packaging and shipping.