A non-clinical educational resource for adults and parents managing t1d and t2d with insulin pens or syringes. Every clinical claim is cited to the FDA, EMA, NICE, NHS or peer-reviewed literature.
§ 02 · Spec sheet
| Gauge | 30G |
|---|---|
| ISO 6009 colour | Yellow |
| Outer diameter | 0.305mm |
| Lumen | 0.159mm |
| Wall thickness | 0.073mm |
| Common lengths | 4 mm, 5 mm, 6 mm, 8 mm |
| Standards | ISO 7864 · ISO 11608-2 |
Manufacturer values vary within ISO tolerances. Source measurements taken at 23°C.
30G is the bridge between standard insulin pen needles and the finer 31G gauges. It is the most widely stocked gauge in EU diabetes pharmacies and the default for adults on insulin pen therapy.
A 30G hypodermic syringe is precision hardware. Eleven distinct components, each manufactured to ISO tolerances, working together to deliver a measured volume into a specific tissue plane. Understanding what each part does makes the difference between a confident self-injector and a hesitant one.
Read the deep-dive on every component →§ 04 · Indications
What the device manufacturer instructions actually say, with the steps where new and switching users most often get stuck.
What manufacturers actually specify for in-use insulin pens, what UK and EU airlines allow in cabin baggage, and what the 28-day rule does and doesn't mean.
What lipo actually is, the three habits that cause two-thirds of cases, and what to do once you have it.
29-g.com is written by named members of the InjectKit team, working from primary sources. We are not clinicians; we cite the FDA, EMA, NICE, NHS and peer-reviewed literature for every clinical claim, and we tell you so at the top of every article.
Read the editorial policy →Sterile, single-use, ISO 7864 / ISO 11608-2 certified. EU-direct pricing without the high-street pharmacy markup. Operated by meeco Servicios Globales S.L. under the InjectKit brand.
Shop 30G supplies on InjectKit →