4 Pieces ( 2 Pairs ) 16Gauge (1.2mm), 3/8 Inch (10mm) inside diameter with 5mm Ball Crystal Gem, These item is 316L Nickel Free Surgical Stainless Steel.Captive Bead Ring are very diverse jewellery that can be used for tonne of piercings. All body jewellery is for craftsmanship and quality which is totally unique and very hard to find. You will receive a piece 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. Our body jewellery is delivered to you with beautiful jewellery box at no extra cost! TAKE ADVANTAGE OF BUYING AND GET THIS NOW WHILE THEY LAST!!