ORIGINCATALOG
Starrett 11H-12-4R 12-inch Combination Square with Cast Iron Head
Assembled in USA · Starrett · 7 origin facts documented
A 12-inch combination square with a cast-iron head and 4R blade. Starrett states combination squares and blades are manufactured at its Athol, Massachusetts plant. Component sourcing is not evidenced here, so the derived stamp is Assembled in USA rather than an unqualified origin claim.
Origin findings
Each row is Yes, No, or Not substantiated. Empty cells stay visible. This is not a patriotism score.
| Finding | Status | Source |
|---|---|---|
| Maker’s origin sentence for this model | Yes The squares and scales/rules are manufactured at our facility in Athol, Massachusetts. | manufacturer_statement |
| Factory / mill named for this model | Yes Athol, MA | factory_page |
| Final assembly or processing in the US (FTC prong 1) | Yes | manufacturer_statement |
| All significant processing in the US (FTC prong 2) | Not substantiated | — |
| All or virtually all components made and sourced in the US (FTC prong 3) | Not substantiated | — |
| Principal assembly in the US | Yes | manufacturer_statement |
| Assembly is substantial (not screwdriver-only) | Yes | manufacturer_statement |
| Last substantial transformation in the US | Yes | manufacturer_statement |
| Article marking (nameplate / incised COO) | Not substantiated | — |
| Retailer-stated country of origin | Not substantiated | — |
| Certification listing holder (UL / NSF / IAPMO) | Not substantiated | — |
| Named imported content the maker disclosed | Not substantiated | — |
| US company (entity + US location) — not a product-origin stamp | Yes The L.S. Starrett Company, Athol, Massachusetts | factory_page |
Last origin review: 2026-09-13. Next due: 2026-10-13 (30-day cycle).
| Date | Outcome | Stamp |
|---|---|---|
| 2026-09-13 | confirmed | assembled_in_usa |
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