Double ended blue opal silver daith piercing, rook earring or eyebrow ring. The silver blue opal barbell is 16 gauge and 8mm long (6mm with the bead). The daith or rook piercing has a synthetic blue opals the balls are 3mm, the opals are 2mm. All orders will arrive in a gift box. The bead is 2mm, so the wearable length of the bar with the bead is shortened by 2mm. If you find that is too short for your piercing, you can remove the bead. Choose your bead color, show with #16. All orders will arrive in a gift box.