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Compare textile resources.
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| Decision field | Open accessKnitting Needle to Crochet Hook Size ChartGlobalRemove | Free downloadbluesign System Partner ListsGlobalRemove | Free accountFOURSOURCE Supplier NetworkGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Learn techniques | Check standards | Source production |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Yarn | Materials | Production |
| Best for | Finding the current CYC hook and needle aliases that share one known nominal metric diameter before confirming project gauge | Checking whether a named organization appears on the dated bluesign System Partner List before verifying the exact facility, product, material, process, chemical, or claim route | Searching global apparel and textile production capabilities |
| 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 named organization on a dated partner list does not establish the exact legal entity or facility in scope, current status after the list date, product qualification, approved chemical article, process coverage, testing, delivery, performance, commercial fit, or permission for a particular claim or label. Use the separate current product, textile, chemical, criteria, and claim route that matches the decision. | The company count is a changing platform claim. Search fields, profiles, certificates, locations, and account access do not independently verify the legal entity, factory ownership, capability, capacity, certificate validity or scope, compliance performance, delivery, or project fit. Confirm the site and subcontracting, credentials with issuers, samples, audits when appropriate, specifications, contracts, and commercial terms. |
| Practical access | |||
| For | Makers | Apparel brands | Apparel brands |
| Location or jurisdiction | Global | Global | Global |
| Access | Open access | Free download | Free account |
| Format | Stitch Authority | Directory | Marketplace |
| Source type | Stitch Authority | Official registry | Commercial marketplace |
| 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. | bluesign's current downloads page links general and brand-specific System Partner lists dated July 1, 2026. The general list separates brands and retailers, chemical suppliers, and manufacturers. The same official page routes product verification, the Textiles Guide, the Chemical Finder, criteria, and bluepass label and claim guidance as distinct checks. | FOURSOURCE's current public network page presents an operator-reported global company count and country or territory search. It says logged-in users can narrow results by compliance certificates, product groups, fabric types, target groups, minimum order quantities, and other fields, with a free-trial and supplier sign-up route. |
| Linked page reviewed | Jul 28, 2026 | Jul 28, 2026 | Jul 21, 2026 |
| Next review due | Jul 28, 2027 | Oct 26, 2026 | Jan 17, 2027 |
| Inspect | |||
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