Titan piercing jewelry clamping ring BCR Captive Bead in 2.4 mm ST RKE with clamping ball FR - ear (e.g. as an ear ring or carti position piercing like helix and tragus) - breast - intimate area - belly navel. Captive Bead BCR clamping ring made of titanium in 2.4 mm ST RKE with a clamping ball in a diameter of 5 mm. The inner diameter of the ring is 10 mm to 22 mm. The piercing is made entirely of titanium and polished with rounded ends. The excellent workmanship guarantees optimal comfort. Suitable as nipple piercing, ear piercing (e.g. as an earring or carti location piercing such as helix and tragus), belly navel piercing or intimate piercing jewelry. The inner diameter is the Ringgr E! Modern nature piercings since 1997.