Aqua blue crystal rook earring, daith piercing, eyebrow ring . The barbell is 16 gauge and surgical steel that is 5/16" (8mm) long. The bead is 2mm, so the wearable length of the bar with the bead on is 6mm. The aqua blue crystal is 3mm. If you find that is too short for your piercing, you can remove the bead. Choose your bead color from the last photo, show with #9. Will arrive in a gift box.