We love this Steel Mega Sparkle Belly Bar with top jewelled ball. Available in 1.6mm gauge, 8mm and 10mm lengths with Crystal Clear gems. Standard size Jewelled Belly Bars come with a top ball that is 5mm and a bottom ball that is 8mm. These Belly Bars have 5mm top balls and 10mm bottom balls. Also available with the standard size ball sizes for a jewelled belly bar.