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Decision fieldOpen accessHook & Needle Diameter ReferenceGlobalRemoveFree downloadbluesign System Partner ListsGlobalRemove
Decision fit
Primary jobLearn techniquesCheck standards
AreaYarnMaterials
Best forChecking which U.S. alias the current Craft Yarn Council table gives a known metric package size before confirming project gaugeStarting a bluesign-aligned supplier check
Know before usingThe reference is not a dimensional measurement, manufacturer inspection, UK or Canadian conversion, steel-hook chart, tool recommendation, yarn assignment, gauge result, or proof that a proposed tool will produce the required fabric.Partner status is not a blanket product claim; use the current official list and confirm the exact facility, material, process, or chemical-input scope.
Practical access
ForMakersApparel brands
Location or jurisdictionGlobalGlobal
AccessOpen accessFree download
FormatStitch AuthorityDirectory
Source typeStitch AuthorityOfficial registry
Source and review
What the source establishesThe lookup reproduces the current public Craft Yarn Council metric and U.S. alias rows and follows the Council's warning that company letter and number labels vary; blank aliases remain blank instead of being inferred.bluesign publishes current system-partner lists and approved-input references that can support facility, material, chemical, dyeing, and finishing checks.
Linked page reviewedJul 16, 2026Jul 15, 2026
Next review dueJul 16, 2027Oct 13, 2026
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