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| Decision field | Open accessKnitting Needle to Crochet Hook Size ChartGlobalRemove | Free + paidPattern TestersGlobalRemove | Open accessEU PPE Harmonised Standards ListEuropean UnionRemove |
|---|---|---|---|
| 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 | Coordinating an independent sewing-pattern test | Checking whether a PPE standard reference is currently published or scheduled for withdrawal before obtaining the licensed standard and mapping its covered requirements |
| 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 interface and plan description do not prove tester reach, completion, feedback quality, fit validity, export quality, uptime, support, or suitability for an established release process. Measurements and photos can be sensitive personal data. Run a non-critical pilot, review the current privacy and service terms, define consent and photo rights, test exports and deletion, and keep pattern approval and release responsibility with the designer. | The Commission says its consolidated summary is informational and may not be complete at every moment; legal effect comes from Official Journal publications. A listed reference does not select the standard for a product, reproduce licensed technical content, cover every essential requirement, prove conformity, or authorize a performance class or CE mark. Recheck the current OJEU publication, obtain the correct controlled standard, and document product-specific coverage and evidence. |
| Practical access | |||
| For | Makers | Apparel brands | Apparel brands |
| Location or jurisdiction | Global | Global | European Union |
| Access | Open access | Free + paid | Open access |
| Format | Stitch Authority | Software | Reference |
| Source type | Stitch Authority | First-party platform | Government guidance |
| 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. | Pattern Testers currently offers application intake, tester selection, feedback, photos, approvals, issue tracking, revisions, a reusable tester directory, and release deadlines. The public pricing page shows a limited free plan and paid Pro and Business tiers. Its June 2026 privacy policy lists names, email addresses, measurements, photos, feedback, application history, and assignments among the data processed. | The Commission page identifies Implementing Decision (EU) 2026/1279 of June 12, 2026 as the current Official Journal publication for PPE harmonised standards. The decision's Annex I lists EN ISO 20471:2013, corrected version 2013-06-01, together with EN ISO 20471:2013/A1:2016 for high-visibility clothing at the checked date. |
| Linked page reviewed | Jul 28, 2026 | Jul 21, 2026 | Jul 16, 2026 |
| Next review due | Jul 28, 2027 | Jan 17, 2027 | Oct 14, 2026 |
| Inspect | |||
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