Browse guides on gauge, wearable length, inner diameter, flat-back sizing, hoop fit, and the numbers that matter before you order.
Use this archive when you are choosing measurements, troubleshooting fit, or translating product listings into real-world sizing.
Showing 1–12 of 12 posts in this archive.
The most common helix flat-back gauge and post lengths, when 6mm, 8mm, or 10mm makes sense, and how to tell when the fit is too short or too long.
A plain-English glossary page on inner diameter, why it is the fit number for rings, and how to stop confusing inside space with outside size.
A plain-English glossary page on wearable length, how it differs from total length, and why the section inside the piercing matters more than the overall outer size.
A plain-English glossary page that explains gauge, millimeters, and why the same jewelry listing can show both numbers without meaning the same thing.
A practical sizing decision hub for posts, hoops, clickers, curved barbells, fresh vs healed fits, and the pressure problems that wrong numbers create.
What a curved barbell is, which piercings use it best, and how to choose gauge, length, and fit for eyebrow, rook, navel, and other curved placements.
Trying to choose the right hoop size for a healed nostril? Learn when 7mm, 8mm, 9mm, or 10mm makes sense, how fit should look, and how to avoid a ring that feels too tight or hangs too loose.
The best tragus stud size depends on gauge, post length, swelling stage, and the top you choose. Learn the most common tragus sizes and how to avoid jewelry that is too long or too tight.
The most common eyebrow barbell gauge and lengths, plus how to tell when the fit is too short, too long, or migration-prone.
The most common conch hoop diameters, when 8mm is too tight, and how to choose a ring that looks fitted without forcing pressure.
The most common nostril hoop diameters, how tight is too tight, and how to choose the right ring shape for your placement.
Gauge, post length, ring diameter, and standard sizing across the most common piercing placements.
Ask Helix directly for the fastest path. Describe your piercing, your symptom, or what you want to buy, and Helix can point you to the right guide or answer you immediately.