Find it in gauges 1.2 mm and 1.6 mm, which one fits better? No matter what size you need, we got you covered. You can get it in lengths from 4 mm to 16 mm. You can have balls in sizes from 2.5 mm to 12 mm. This wonderful piece has mutiple stone colour options available, (e.g. Aurora Borealis and Violet). A sensational product you just have to have!