• Available in 10g through 00g. • 10g through 8g have an inside diameter of about 3/8" (9.5mm). • 6g through 2g have an inside diameter of about 7/16" (11mm). • 0g Through 00g have an inside diameter of about 1/2" (12.5mm). • These are EXTREMELY hard to carve due to their small size and shape. We allow about a .3mm tolerance on each piece. Thank you for your understanding. • Due to the nature of the materials please understand that there will be some slight variance in coloring and patterns. • Many people wear these in their septum however, these are also perfect for lobes, larger helix / flat piercings, etc. •These are sold as singles. If you need a pair please add the desired quantity in your cart. These do not include o-rings.