{
 "version": "2026-10-20",
 "license": "Dimension sheets: CC BY 4.0. Standard and published-size files: CC BY 4.0. Xem Studio's own designs (files_license = Xem Studio Design License): free to use and sell things from, not to redistribute as files — https://xemstudio.com/license/. Other publishers' files: their own license, linked beside them.",
 "slug": "flexible-metal-conduit-fmc-lfmc-trade-sizes",
 "name": "Flexible metal conduit sizes: FMC (reduced-wall 'greenfield') and liquid-tight LFMC, 3/8 to 4 in: ID and OD ranges, metric designators",
 "kind": "standard",
 "category": "Tri-clamp & pipe",
 "group": "Pipe, tube & threads",
 "year": null,
 "question": "What are the ID and OD of 1/2 inch flexible metal conduit (FMC) and liquid-tight flexible metal conduit (LFMC)?",
 "tags": [
  "flexible metal conduit",
  "fmc",
  "greenfield",
  "lfmc",
  "liquidtight",
  "liquid tight flex",
  "sealtite",
  "reduced wall flex",
  "flexible steel conduit",
  "type bR",
  "conduit trade size"
 ],
 "aliases": [
  "1/2 flex conduit od",
  "liquidtight conduit 3/4 od",
  "greenfield 1/2 inch id",
  "lfmc 1/2 id od",
  "fmc 3/4 outside diameter",
  "liquid tight flex conduit 1 inch od",
  "flexible metal conduit sizes chart",
  "3/8 flex conduit od",
  "lfmc type ef dimensions",
  "fmc trade size metric designator 16",
  "flex conduit 1-1/2 od",
  "sealtite 1 inch od",
  "rws flex conduit 2 inch id"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "not-scanned",
 "les": false,
 "free_files": 0,
 "url": "https://xemstudio.com/objects/flexible-metal-conduit-fmc-lfmc-trade-sizes/",
 "sheet_txt": "https://xemstudio.com/objects/flexible-metal-conduit-fmc-lfmc-trade-sizes/sheet.txt",
 "sheet": {
  "basis": "Anamet Electrical (Anaconda Sealtite) spec sheets for Type EF and Type MTC liquid-tight conduit and Type RWS flex, and Electri-Flex's Type BR sheet; ranges as the makers print them; numbers only",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Flexible metal conduit comes in electrical trade sizes (3/8, 1/2, 3/4, 1 ... 4 in) with metric designators 12, 16, 21, 27, 35, 41, 53, 63, 78, 91 (as printed by Anamet for 3/8 to 3-1/2 in). The ID and OD are printed as ranges (min–max), not nominal values, so nothing is averaged to a single value; 1/2 in FMC is ID 0.625–0.645 in and OD 0.860–0.920 in; 1/2 in LFMC (Type EF) is ID 0.620–0.640 in and OD 0.820–0.840 in. Ranges are in inches.",
   "FMC (also called greenfield, flex, or 'reduced-wall' flex, RWS) is steel flexible conduit without a jacket (Electri-Flex calls its Type BR 'non-jacketed'). Anamet's Type RWS page (10 of its 28 items shown in the text read, 3/8 to 3-1/2 in) and Electri-Flex's Type BR sheet print the same ID and OD ranges at every size they share; the exceptions are written as the sources print them: at 2 in the upper OD limit is 2.450 (Anamet) or 2.454 (Electri-Flex); at 2-1/2, 3 and 3-1/2 in Anamet prints the ID as a single value (2.500, 3.000, 3.500 in, the metric half of the cell reads 0.000 mm in the text, which is a page error) while Electri-Flex prints 2.500–2.700, 3.000–3.200 and 3.500 (min only). Electri-Flex's text was garbled when read; the pairs were assigned as the smaller = ID, larger = OD, which is how the sizes order.",
   "LFMC (liquid-tight, 'Sealtite'-type) is metal conduit with a PVC jacket. Type EF (general construction) and Type MTC (machine tool) are listed 3/8 to 2 in with ID and OD ranges; the 3/8 in Type HFL page prints the same range as Type EF (ID 0.485–0.505, OD 0.690–0.710 in). Larger LFMC sizes (2-1/2 to 4 in) were not in the sheets read. Bend radius is shown only for Electri-Flex's Type BR (its 'inside radius' column, inches as printed); Anamet's sheets print an 'electrical bend radius' per size that is not copied.",
   "EMT, rigid and IMC steel conduit tables are on emt-conduit and rigid-imc-emt-conduit-sizes-to-4-in; PVC conduit is on pvc-rigid-conduit-sch-40-80-nema-tc-2; knockouts and locknuts on conduit-knockout-diameters-nema-bulletin-71. No files: flexible conduit has no fixed shape."
  ],
  "table": {
   "columns": [
    "family",
    "trade size, in",
    "metric designator",
    "ID, in (min–max)",
    "OD, in (min–max)",
    "bend radius, in (Electri-Flex 'inside radius')"
   ],
   "rows": [
    [
     "LFMC Type EF (liquid-tight, general construction)",
     "3/8",
     "12",
     ".485-.505",
     ".690-.710",
     "—"
    ],
    [
     "LFMC Type EF (liquid-tight, general construction)",
     "1/2",
     "16",
     ".620-.640",
     ".820-.840",
     "—"
    ],
    [
     "LFMC Type EF (liquid-tight, general construction)",
     "3/4",
     "21",
     ".815-.835",
     "1.030-1.050",
     "—"
    ],
    [
     "LFMC Type EF (liquid-tight, general construction)",
     "1",
     "27",
     "1.030-1.055",
     "1.290-1.315",
     "—"
    ],
    [
     "LFMC Type EF (liquid-tight, general construction)",
     "1-1/4",
     "35",
     "1.370-1.395",
     "1.635-1.660",
     "—"
    ],
    [
     "LFMC Type EF (liquid-tight, general construction)",
     "1-1/2",
     "41",
     "1.575-1.600",
     "1.865-1.900",
     "—"
    ],
    [
     "LFMC Type EF (liquid-tight, general construction)",
     "2",
     "53",
     "2.020-2.045",
     "2.340-2.375",
     "—"
    ],
    [
     "LFMC Type MTC (machine tool, liquid-tight)",
     "3/8",
     "12",
     ".485-.505",
     ".679-.704",
     "—"
    ],
    [
     "LFMC Type MTC (machine tool, liquid-tight)",
     "1/2",
     "16",
     ".620-.640",
     ".818-.843",
     "—"
    ],
    [
     "LFMC Type MTC (machine tool, liquid-tight)",
     "3/4",
     "21",
     ".815-.835",
     "1.009-1.034",
     "—"
    ],
    [
     "LFMC Type MTC (machine tool, liquid-tight)",
     "1",
     "27",
     "1.030-1.055",
     "1.228-1.258",
     "—"
    ],
    [
     "LFMC Type MTC (machine tool, liquid-tight)",
     "1-1/4",
     "35",
     "1.370-1.395",
     "1.565-1.595",
     "—"
    ],
    [
     "LFMC Type MTC (machine tool, liquid-tight)",
     "1-1/2",
     "41",
     "1.570-1.595",
     "1.830-1.860",
     "—"
    ],
    [
     "LFMC Type MTC (machine tool, liquid-tight)",
     "2",
     "53",
     "2.010-2.035",
     "2.270-2.300",
     "—"
    ],
    [
     "FMC Type RWS (reduced-wall steel flex), Anamet",
     "3/8",
     "12",
     ".375-.393",
     ".560-.610",
     "—"
    ],
    [
     "FMC Type RWS (reduced-wall steel flex), Anamet",
     "1/2",
     "16",
     ".625-.645",
     ".860-.920",
     "—"
    ],
    [
     "FMC Type RWS (reduced-wall steel flex), Anamet",
     "3/4",
     "21",
     ".812-.835",
     "1.045-1.105",
     "—"
    ],
    [
     "FMC Type RWS (reduced-wall steel flex), Anamet",
     "1",
     "27",
     "1.000-1.040",
     "1.300-1.380",
     "—"
    ],
    [
     "FMC Type RWS (reduced-wall steel flex), Anamet",
     "1-1/4",
     "35",
     "1.250-1.300",
     "1.550-1.630",
     "—"
    ],
    [
     "FMC Type RWS (reduced-wall steel flex), Anamet",
     "1-1/2",
     "41",
     "1.500-1.575",
     "1.850-1.950",
     "—"
    ],
    [
     "FMC Type RWS (reduced-wall steel flex), Anamet",
     "2",
     "53",
     "2.000-2.080",
     "2.350-2.450",
     "—"
    ],
    [
     "FMC Type RWS (reduced-wall steel flex), Anamet",
     "2-1/2",
     "63",
     "2.500",
     "2.860-3.060",
     "—"
    ],
    [
     "FMC Type RWS (reduced-wall steel flex), Anamet",
     "3",
     "78",
     "3.000",
     "3.360-3.560",
     "—"
    ],
    [
     "FMC Type RWS (reduced-wall steel flex), Anamet",
     "3-1/2",
     "91",
     "3.500",
     "3.860-4.060",
     "—"
    ],
    [
     "FMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex",
     "3/8",
     "—",
     ".375-.393",
     ".560-.610",
     "2.0"
    ],
    [
     "FMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex",
     "1/2",
     "—",
     ".625-.645",
     ".860-.920",
     "3.0"
    ],
    [
     "FMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex",
     "3/4",
     "—",
     ".812-.835",
     "1.045-1.105",
     "4.0"
    ],
    [
     "FMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex",
     "1",
     "—",
     "1.000-1.040",
     "1.300-1.380",
     "5.0"
    ],
    [
     "FMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex",
     "1-1/4",
     "—",
     "1.250-1.300",
     "1.550-1.630",
     "6.2"
    ],
    [
     "FMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex",
     "1-1/2",
     "—",
     "1.500-1.575",
     "1.850-1.950",
     "7.5"
    ],
    [
     "FMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex",
     "2",
     "—",
     "2.000-2.080",
     "2.350-2.454",
     "10.0"
    ],
    [
     "FMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex",
     "2-1/2",
     "—",
     "2.500-2.700",
     "2.860-3.060",
     "12.5"
    ],
    [
     "FMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex",
     "3",
     "—",
     "3.000-3.200",
     "3.360-3.560",
     "15.0"
    ],
    [
     "FMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex",
     "3-1/2",
     "—",
     "3.500",
     "3.860-4.060",
     "17.5"
    ],
    [
     "FMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex",
     "4",
     "—",
     "4.000",
     "4.360-4.560",
     "20.0"
    ]
   ]
  }
 },
 "sheet_text": "Flexible metal conduit sizes: FMC (reduced-wall 'greenfield') and liquid-tight LFMC, 3/8 to 4 in: ID and OD ranges, metric designators — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/flexible-metal-conduit-fmc-lfmc-trade-sizes/  (sheet CC BY 4.0)\nBasis: Anamet Electrical (Anaconda Sealtite) spec sheets for Type EF and Type MTC liquid-tight conduit and Type RWS flex, and Electri-Flex's Type BR sheet; ranges as the makers print them; numbers only\nCatalog version: 2026-10-20\n\nSizes: see table below\n- Flexible metal conduit comes in electrical trade sizes (3/8, 1/2, 3/4, 1 ... 4 in) with metric designators 12, 16, 21, 27, 35, 41, 53, 63, 78, 91 (as printed by Anamet for 3/8 to 3-1/2 in). The ID and OD are printed as ranges (min–max), not nominal values, so nothing is averaged to a single value; 1/2 in FMC is ID 0.625–0.645 in and OD 0.860–0.920 in; 1/2 in LFMC (Type EF) is ID 0.620–0.640 in and OD 0.820–0.840 in. Ranges are in inches.\n- FMC (also called greenfield, flex, or 'reduced-wall' flex, RWS) is steel flexible conduit without a jacket (Electri-Flex calls its Type BR 'non-jacketed'). Anamet's Type RWS page (10 of its 28 items shown in the text read, 3/8 to 3-1/2 in) and Electri-Flex's Type BR sheet print the same ID and OD ranges at every size they share; the exceptions are written as the sources print them: at 2 in the upper OD limit is 2.450 (Anamet) or 2.454 (Electri-Flex); at 2-1/2, 3 and 3-1/2 in Anamet prints the ID as a single value (2.500, 3.000, 3.500 in, the metric half of the cell reads 0.000 mm in the text, which is a page error) while Electri-Flex prints 2.500–2.700, 3.000–3.200 and 3.500 (min only). Electri-Flex's text was garbled when read; the pairs were assigned as the smaller = ID, larger = OD, which is how the sizes order.\n- LFMC (liquid-tight, 'Sealtite'-type) is metal conduit with a PVC jacket. Type EF (general construction) and Type MTC (machine tool) are listed 3/8 to 2 in with ID and OD ranges; the 3/8 in Type HFL page prints the same range as Type EF (ID 0.485–0.505, OD 0.690–0.710 in). Larger LFMC sizes (2-1/2 to 4 in) were not in the sheets read. Bend radius is shown only for Electri-Flex's Type BR (its 'inside radius' column, inches as printed); Anamet's sheets print an 'electrical bend radius' per size that is not copied.\n- EMT, rigid and IMC steel conduit tables are on emt-conduit and rigid-imc-emt-conduit-sizes-to-4-in; PVC conduit is on pvc-rigid-conduit-sch-40-80-nema-tc-2; knockouts and locknuts on conduit-knockout-diameters-nema-bulletin-71. No files: flexible conduit has no fixed shape.\n\nfamily  trade size, in  metric designator  ID, in (min–max)  OD, in (min–max)  bend radius, in (Electri-Flex 'inside radius')\nLFMC Type EF (liquid-tight, general construction)  3/8  12  .485-.505  .690-.710  —\nLFMC Type EF (liquid-tight, general construction)  1/2  16  .620-.640  .820-.840  —\nLFMC Type EF (liquid-tight, general construction)  3/4  21  .815-.835  1.030-1.050  —\nLFMC Type EF (liquid-tight, general construction)  1  27  1.030-1.055  1.290-1.315  —\nLFMC Type EF (liquid-tight, general construction)  1-1/4  35  1.370-1.395  1.635-1.660  —\nLFMC Type EF (liquid-tight, general construction)  1-1/2  41  1.575-1.600  1.865-1.900  —\nLFMC Type EF (liquid-tight, general construction)  2  53  2.020-2.045  2.340-2.375  —\nLFMC Type MTC (machine tool, liquid-tight)  3/8  12  .485-.505  .679-.704  —\nLFMC Type MTC (machine tool, liquid-tight)  1/2  16  .620-.640  .818-.843  —\nLFMC Type MTC (machine tool, liquid-tight)  3/4  21  .815-.835  1.009-1.034  —\nLFMC Type MTC (machine tool, liquid-tight)  1  27  1.030-1.055  1.228-1.258  —\nLFMC Type MTC (machine tool, liquid-tight)  1-1/4  35  1.370-1.395  1.565-1.595  —\nLFMC Type MTC (machine tool, liquid-tight)  1-1/2  41  1.570-1.595  1.830-1.860  —\nLFMC Type MTC (machine tool, liquid-tight)  2  53  2.010-2.035  2.270-2.300  —\nFMC Type RWS (reduced-wall steel flex), Anamet  3/8  12  .375-.393  .560-.610  —\nFMC Type RWS (reduced-wall steel flex), Anamet  1/2  16  .625-.645  .860-.920  —\nFMC Type RWS (reduced-wall steel flex), Anamet  3/4  21  .812-.835  1.045-1.105  —\nFMC Type RWS (reduced-wall steel flex), Anamet  1  27  1.000-1.040  1.300-1.380  —\nFMC Type RWS (reduced-wall steel flex), Anamet  1-1/4  35  1.250-1.300  1.550-1.630  —\nFMC Type RWS (reduced-wall steel flex), Anamet  1-1/2  41  1.500-1.575  1.850-1.950  —\nFMC Type RWS (reduced-wall steel flex), Anamet  2  53  2.000-2.080  2.350-2.450  —\nFMC Type RWS (reduced-wall steel flex), Anamet  2-1/2  63  2.500  2.860-3.060  —\nFMC Type RWS (reduced-wall steel flex), Anamet  3  78  3.000  3.360-3.560  —\nFMC Type RWS (reduced-wall steel flex), Anamet  3-1/2  91  3.500  3.860-4.060  —\nFMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex  3/8  —  .375-.393  .560-.610  2.0\nFMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex  1/2  —  .625-.645  .860-.920  3.0\nFMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex  3/4  —  .812-.835  1.045-1.105  4.0\nFMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex  1  —  1.000-1.040  1.300-1.380  5.0\nFMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex  1-1/4  —  1.250-1.300  1.550-1.630  6.2\nFMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex  1-1/2  —  1.500-1.575  1.850-1.950  7.5\nFMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex  2  —  2.000-2.080  2.350-2.454  10.0\nFMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex  2-1/2  —  2.500-2.700  2.860-3.060  12.5\nFMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex  3  —  3.000-3.200  3.360-3.560  15.0\nFMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex  3-1/2  —  3.500  3.860-4.060  17.5\nFMC Type BR 'Blue Ribbon' reduced-wall steel flex, Electri-Flex  4  —  4.000  4.360-4.560  20.0\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Anamet Electrical (Anaconda Sealtite): Type RWS reduced-wall steel flexible metal conduit (FMC): ID and OD range, 3/8 to 3-1/2 in (10 of 28 items shown) — web — Maker page; numbers only — https://flexiblewiringconduits.anacondasealtite.com/product/ul-flexible-metallic-conduit/-flexible-steel-conduit-flexible-metal-conduit-fmc\n- Electri-Flex (hosted by M. E. Campbell): Type BR Blue Ribbon reduced-wall flexible steel conduit: ID, OD, bend radius, 3/8 to 4 in — web — Maker sheet; numbers only. The text read was garbled; the pairs were assigned smaller = ID, larger = OD — https://www.mecampbell.com/media/pdf/CONFLEST.pdf\n- Anamet Electrical (Anaconda Sealtite): Type EF general construction liquid-tight flexible metal conduit: ID and OD min-max, 3/8 to 2 in — web — Maker spec sheet; numbers only — https://media.iewc.com/SpecificationSheets/39404.pdf\n- Anamet Electrical (Anaconda Sealtite): Type MTC machine tool conduit (liquid-tight): ID and OD min-max, 3/8 to 2 in — web — Maker spec sheet; numbers only — https://media.iewc.com/SpecificationSheets/38314.pdf\n- Anamet Electrical (Anaconda Sealtite): Item 37902, 3/8 in Type HFL liquid-tight conduit: ID and OD range — web — Maker page; numbers only — https://flexiblewiringconduits.anacondasealtite.com/printitem/specialty-conduits/liquid-tight-flexible-metal-conduit-lfmc-2/37902\n\nNo true-size file yet: the published figures do not fix the whole shape; a measured scan is planned.\nAPI: https://xemstudio.com/api/geometry?object=flexible-metal-conduit-fmc-lfmc-trade-sizes\n",
 "sources": [
  {
   "publisher": "Anamet Electrical (Anaconda Sealtite)",
   "title": "Type RWS reduced-wall steel flexible metal conduit (FMC): ID and OD range, 3/8 to 3-1/2 in (10 of 28 items shown)",
   "url": "https://flexiblewiringconduits.anacondasealtite.com/product/ul-flexible-metallic-conduit/-flexible-steel-conduit-flexible-metal-conduit-fmc",
   "formats": [
    "web"
   ],
   "license": "Maker page; numbers only",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Electri-Flex (hosted by M. E. Campbell)",
   "title": "Type BR Blue Ribbon reduced-wall flexible steel conduit: ID, OD, bend radius, 3/8 to 4 in",
   "url": "https://www.mecampbell.com/media/pdf/CONFLEST.pdf",
   "formats": [
    "web"
   ],
   "license": "Maker sheet; numbers only. The text read was garbled; the pairs were assigned smaller = ID, larger = OD",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Anamet Electrical (Anaconda Sealtite)",
   "title": "Type EF general construction liquid-tight flexible metal conduit: ID and OD min-max, 3/8 to 2 in",
   "url": "https://media.iewc.com/SpecificationSheets/39404.pdf",
   "formats": [
    "web"
   ],
   "license": "Maker spec sheet; numbers only",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Anamet Electrical (Anaconda Sealtite)",
   "title": "Type MTC machine tool conduit (liquid-tight): ID and OD min-max, 3/8 to 2 in",
   "url": "https://media.iewc.com/SpecificationSheets/38314.pdf",
   "formats": [
    "web"
   ],
   "license": "Maker spec sheet; numbers only",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Anamet Electrical (Anaconda Sealtite)",
   "title": "Item 37902, 3/8 in Type HFL liquid-tight conduit: ID and OD range",
   "url": "https://flexiblewiringconduits.anacondasealtite.com/printitem/specialty-conduits/liquid-tight-flexible-metal-conduit-lfmc-2/37902",
   "formats": [
    "web"
   ],
   "license": "Maker page; numbers only",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "not-scanned",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "emt-conduit",
  "rigid-imc-emt-conduit-sizes-to-4-in",
  "pvc-rigid-conduit-sch-40-80-nema-tc-2",
  "conduit-knockout-diameters-nema-bulletin-71",
  "metal-boxes-us",
  "u-bolts-by-pipe-size"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no tolerance added)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no tolerance added. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn. Typical accuracy by process and ISO 286 fits: https://xemstudio.com/tolerances/",
 "mating": [],
 "faq": [
  {
   "q": "What is the OD of 1/2 inch flexible metal conduit?",
   "a": "0.860–0.920 in (21.84–23.37 mm) for reduced-wall FMC (Type RWS / Type BR); liquid-tight Type EF is 0.820–0.840 in."
  },
  {
   "q": "What is the ID of 3/4 inch liquid-tight conduit?",
   "a": "0.815–0.835 in (Type EF and Type MTC); OD 1.030–1.050 in (EF) or 1.009–1.034 in (MTC)."
  },
  {
   "q": "What is the metric designator of 1 inch conduit?",
   "a": "27 (Anamet's table: 1/2 is 16, 3/4 is 21, 1 is 27, 1-1/4 is 35, 1-1/2 is 41, 2 is 53)."
  }
 ],
 "files_license": null,
 "offers": [],
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