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| Decision field | Open accessKnitting Needle to Crochet Hook Size ChartGlobalRemove | Open accessPEFC Find CertifiedGlobalRemove |
|---|---|---|
| Decision fit | ||
| Primary job | Learn techniques | Check standards |
| Also useful for | No additional job recorded | No additional job recorded |
| Area | Yarn | Standards |
| Best for | Finding the current CYC hook and needle aliases that share one known nominal metric diameter before confirming project gauge | Finding or checking paper-based packaging and hangtag suppliers with PEFC chain-of-custody scope |
| 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. | A chain-of-custody record applies only to the named organization and scope; verify the exact product claim, current status, supplier role, artwork approval, and transaction documentation for each order. |
| Practical access | ||
| For | Makers | Apparel brands |
| Location or jurisdiction | Global | Global |
| Access | Open access | Open access |
| Format | Stitch Authority | Directory |
| Source type | Stitch Authority | Official registry |
| 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. | PEFC describes the database as a current discovery and verification route for certified organizations, certificate validity, countries, product scope, sourcing, and due diligence. |
| Linked page reviewed | Jul 28, 2026 | Jul 15, 2026 |
| Next review due | Jul 28, 2027 | Oct 13, 2026 |
| Inspect | ||
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