You are Buying 2 Pieces (One Pair) of 6 Gauge (4.0mm) Surgical Steel in nickel free with Gems screw fit on flesh tunnels. The wearable size measured at the centre is 6 Gauge (4.0mm). These tunnels screw on the back for a secure fit. All body jewellery is for craftsmanship and quality. You will receive pieces exactly as shown in the picture. We have hand-checked by every item that they make you look very attractive and never ever fall apart to embarrass you. TAKE ADVANTAGE OF BUYING AND GET THESE NOW WHILE THEY LAST!!