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| Decision field | Open accessKnitting Needle to Crochet Hook Size ChartGlobalRemove | Open accessTech Pack Definition, Contents & LimitsGlobalRemove | Open accessAIC Find a ProfessionalUnited States · North AmericaRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Learn techniques | Source production | Repair & conserve |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Yarn | Production | Techniques & repair |
| Best for | Finding the current CYC hook and needle aliases that share one known nominal metric diameter before confirming project gauge | Understanding what a tech pack must control before using a template or releasing work | Finding professional textile or costume conservation help in the United States |
| Know before using | A shared nominal diameter does not make a knitting needle and crochet hook interchangeable or predict equal gauge or fabric. The reference is not a physical measurement, manufacturer inspection, UK or Canadian conversion, steel-hook chart, tool recommendation, yarn assignment, or project approval. | An orientation rather than a completed product record; it does not supply a universal format, licensed standard content, measurements, tolerances, construction settings, labels, approvals, compliance conclusion, or product-release authority. | The directory is opt-in and excludes qualified people who do not list; designation does not guarantee availability, price, or suitability for a specific object or treatment. |
| Practical access | |||
| For | Makers | Apparel brands | Both |
| Location or jurisdiction | Global | Global | United States · North America |
| Access | Open access | Open access | Open access |
| Format | Stitch Authority | Stitch Authority | Directory |
| Source type | Stitch Authority | Stitch Authority | Industry organization |
| Source and review | |||
| What the source establishes | Rechecked July 28, 2026. The lookup reproduces the current public Craft Yarn Council metric and U.S. alias rows, aligns hooks and needles only when their nominal millimetre value matches, and leaves missing rows or aliases unfilled. | The guide cites published ISO sources for documented-information, garment-measurement, stitch, and seam boundaries plus current U.S. FTC textile and care-labeling guidance; it discloses that ISO 10013:2021's 2026 systematic review is at close-of-review stage and separates every cited authority from product-specific technical and market decisions. | AIC says listed Professional Members complete a peer-reviewed application and may be searched by specialty, material, service, location, or name. |
| Linked page reviewed | Jul 28, 2026 | Jul 27, 2026 | Jul 16, 2026 |
| Next review due | Jul 28, 2027 | Jul 27, 2027 | Jan 12, 2027 |
| Inspect | |||
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