PiercingJ Lot 8pcs/40pcs 14g 16g Stainless Steel Rhinestone Replacement Ball Bead for Belly Chain/Labret/Nath/Belly Chain Tongue Ring/Earring (40 pcs 16g) Material: high quality stainless steel + cz crystals Function: ball accessory for 16g or 14g labret, nose ring/ stud, belly chain, Tongue ring, belly ring, earring etc. 16g ball diameter: 3mm 14g ball diameter:5mm 8 different colors.