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Premium quality, firm, high density, closed cell foam blocks for fly tying and making foam cylinders. 


30% higher density than industry equivalent material, for best results use Upavon Gunville Foam Cutters.


  • Available in 10 vivid colours.
  • Dimensions: L 15cm (~6") x W 7.5cm (~3") x D 2.5cm (~1").
  • Also available in HD Foam Sheets
  • Manufactured in the UK.

Upavon Bionic HD Foam Blocks

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