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| Decision field | Open accessKnitting Needle to Crochet Hook Size ChartGlobalRemove | Open accessPattern Test Brief TemplateGlobalRemove | Free downloadAAFA Restricted Substance ListGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Learn techniques | Find patterns & fit | Check standards |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Yarn | Patterns & fit | Standards |
| Best for | Finding the current CYC hook and needle aliases that share one known nominal metric diameter before confirming project gauge | Planning a sewing, knitting, or crochet pattern test | Surveying finished-product chemical regulations |
| 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. | The workflow is not a contract or quality certification; local legal duties and technical review may still apply. | AAFA provides the list for information only and says it is voluntary, may contain omissions or inaccuracies, and is not legal advice. A global most-restrictive value is not a complete market or product determination. Verify the current controlling law, jurisdiction, product and component scope, exemptions, effective dates, test method, sampling plan, brand requirements, manufacturing-input controls, and other safety rules. |
| Practical access | |||
| For | Makers | Both | Apparel brands |
| Location or jurisdiction | Global | Global | Global |
| Access | Open access | Open access | Free download |
| Format | Stitch Authority | Stitch Authority | Reference |
| 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 linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface. | AAFA published RSL Version 26 on January 28, 2026 in searchable spreadsheet and PDF formats. The association describes it as a regularly updated reference to laws and regulations restricting chemicals in finished apparel, footwear, accessories, and home textiles. Its methodology records final-product or component limits, jurisdiction, test method, and comments, and excludes factory-process restrictions and non-chemical product-safety rules. |
| Linked page reviewed | Jul 28, 2026 | Jul 15, 2026 | Jul 21, 2026 |
| Next review due | Jul 28, 2027 | Jul 15, 2027 | Oct 19, 2026 |
| Inspect | |||
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