{
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 "name": "Heat Shrink Tubing",
 "root": "tools-hardware",
 "unit": "m",
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 "unit_note": "Add the lengths of all tubing pieces in the listing, including every piece in a multipack or assorted kit, and convert feet or inches to meters. This compares total length; diameter and assortment affect how useful that length is.",
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    },
    {
     "name": "Pattern",
     "handle": "pattern",
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      "Abstract",
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      "Bead & reel",
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      "Floral",
      "Fret",
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      "Guilloche",
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   "why_it_matters": "A higher ratio lets the tubing shrink over a wider range of wire or connector sizes."
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   "unit": null,
   "values": null,
   "why_it_matters": "The inner adhesive melts to help seal against moisture and corrosion."
  },
  {
   "key": "material",
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   "type": "string",
   "unit": null,
   "values": null,
   "why_it_matters": "Material affects flexibility, temperature tolerance, and suitability for the application."
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   "why_it_matters": "Color can help identify circuits or match the tubing to the repair."
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  {
   "key": "initial_inner_diameter_mm",
   "label": "Pre-shrink inner diameter",
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  {
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  "description": "For basic wire insulation, choose tubing with at least a 2:1 shrink ratio that fits over the item before heating and shrinks snugly around it afterward. Adhesive lining and higher shrink ratios are application-dependent upgrades, not universal requirements.",
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