One Pair of KOOL BLACK STEEL CBR TITANIUM COATED SURGICAL STEEL RINGS, 20 gauge with a 5/16 " (8MM) INTERNAL MEASUREMENT. THESE HAVE A 2MM BALL.  REAL small to fit nicely anywhere. THESE RINGS ARE REALLY NICE TO WEAR ALL THE TIME. * Excellent Quality * Highly Polished * Brand New * THIS AND ALL MY JEWELERY IS NEW AND HAS NEVER BEEN WORN. THE PICTURE DOES NOT DO THIS PIECE JUSTICE. SHIPPING IN A PADDED MAILER. THANKS AND HAPPY BIDDING. 529A