These Light Blue Titanium Circular Barbells are made of ASTM F-136 titanium grade and anodized with a light blue finish. Available in 16G and 14G with inner diameters ranging from 1/4" to 9/16", and a 3mm or 4mm ball size, they make a great fashion choice for any cartilage, septum, or daith piercing. Sold individually - you'll need to add two to your cart to complete the pair.