Cura Flat Back Size Guide
How to know what size post you will need?
Each piercing has a unique thickness of cartilage or tissue.
Consult our size guide below as a reference for standard size posts for different cartilage piercings.
Most Cura cartilage jewellery (helix, tragus, conch, rook, etc.) is 16G (Gauge or thickness) and designed for piercings done with a needle. Nose, nipple, and gun-pierced lobe jewellery use different gauges — see the sections below. *No returns or refunds for incorrect sizes purchased.
| Piercing | Recommended Post Length | Notes |
|---|---|---|
| Helix | 6mm | |
| Forward Helix | 6mm | |
| Rook | 6mm / 8mm | Curved post |
| Conch | 6mm / 8mm | |
| Low Helix | 6mm / 8mm | |
| Anti Tragus | 6mm / 8mm | Curved post |
| Tragus | 6mm | |
| Upper Lobe | 8mm – 10mm | |
| Lobe | 8mm – 10mm | |
| Industrial | Speciality size | Custom fit — contact us to confirm |
| Daith | — | We recommend a segment ring instead of a flat back for this piercing |
All Cura cartilage flat back posts above are 16G / 1.2mm gauge and are designed for needle piercings — they will not fit piercings done with a gun. These are standard sizes for healed piercings; individual anatomy can vary, so consult your piercer or contact us if you're unsure. Internally-threaded posts (16G, 8mm) are also available separately for custom fitting.
Nose Jewellery — 18G
Cura nose studs and screws are 18G / 1.0mm, with a standard 6mm length and stone sizes typically around 2.5mm. This is a finer gauge than our cartilage jewellery, matching the standard for professional nose piercings.
Nipple Jewellery — 14G
Cura nipple bars are 14G / 1.6mm, thicker than cartilage jewellery to match the standard nipple piercing gauge. The standard bar length is 12mm, with 14mm also available separately for those needing extra room.
Gun-Pierced Lobe & Butterfly-Back Jewellery — 20G
For standard lobe piercings done with a piercing gun (rather than a needle), we offer butterfly-back studs at 20G / 0.8mm with an 11mm pin length and a secure butterfly clutch back. This gauge is specifically sized for gun-pierced lobes — our 16G needle-piercing jewellery will not fit a gun-pierced lobe without an appropriate adapter.
Not sure which gauge your piercing is? See our How to Measure Your Piercing Gauge & Post Length at Home guide, or check our full Piercing Size & Gauge Guide for an overview of every gauge we carry.