Gauge Thickness Commonly used for
20G 0.8mm Fine piercing jewellery
18G 1.0mm Nose and some ear piercings
16G 1.2mm Common cartilage and flat back jewellery size
14G 1.6mm Thicker piercing jewellery

 

Length Fit
4mm Very short / close fit
6mm Close, neat fit for many healed piercings
8mm More room and a slightly looser fit
10mm Longer fit / additional room
12mm+ Longer lengths for extra length where required

How is length measured?
Bar length is measured along the wearable post only, not including the decorative top or flat back.

Everyone’s anatomy is different. If possible, measure a piece of jewellery that already fits you comfortably.