Rose Gold Circular Barbells in 1.6mm (14 Gauge) thickness available with a choice of internal diameters (8mm, 10mm, 12mm, 14mm or 16mm) and ball sizes (3mm, 4mm, 5mm or 6mm). These horseshoe shaped barbells are made out of 316L Surgical Steel which is then plated in 18k Rose Gold and hand polished to make them shine. Circular Barbells are very popular in many different piercings and are also available in 1mm or 1.2mm