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12/0 (11)
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Pure Silk 3/0 (12)
  • Semperfli Fluoro Brite, The very best Bright Colour Threads for fly tying in 6/0 Semperfli Fluoro Brite, The very best Bright Colour Threads for fly tying in 6/0
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    Semperfli

    Fluoro Brite Sulphur

    Semperfli Fluoro Brite Sulphur Born to be different, Fluoro Brite is your versatile fly tying companion. Use it as a tying thread or effortlessly untwist it to transform into a vibrant floss. What sets Fluoro Brite apart is its extraordinary fluorescent...

    £1.50
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  • Fluoro Brite Blood Red Fluoro Brite Blood Red
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    Semperfli

    Fluoro Brite Blood Red

    Semperfli Fluoro Brite Blood Red Born to be different, Fluoro Brite is your versatile fly tying companion. Use it as a tying thread or effortlessly untwist it to transform into a vibrant floss. What sets Fluoro Brite apart is its extraordinary...

    £1.50
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  • Fluoro Brite #8 Pale Orange Fluoro Brite #8 Pale Orange
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    Semperfli

    Fluoro Brite Pale Orange

    Semperfli Fluoro Brite Pale Orange Born to be different, Fluoro Brite is your versatile fly tying companion. Use it as a tying thread or effortlessly untwist it to transform into a vibrant floss. What sets Fluoro Brite apart is its extraordinary...

    £1.50
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  • Fluoro Brite #7 Orange Fluoro Brite #7 Orange
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    Semperfli

    Fluoro Brite Orange

    Semperfli Fluoro Brite Orange Born to be different, Fluoro Brite is your versatile fly tying companion. Use it as a tying thread or effortlessly untwist it to transform into a vibrant floss. What sets Fluoro Brite apart is its extraordinary fluorescent...

    £1.50
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  • Fluoro Brite #4 Red Fluoro Brite #4 Red
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    Semperfli

    Fluoro Brite Red

    Semperfli Fluoro Brite Red Born to be different, Fluoro Brite is your versatile fly tying companion. Use it as a tying thread or effortlessly untwist it to transform into a vibrant floss. What sets Fluoro Brite apart is its extraordinary fluorescent...

    £1.50
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  • Fluoro Brite #2 Pale Pink Fluoro Brite #2 Pale Pink
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    Semperfli

    Fluoro Brite Pale Pink

    Semperfli Fluoro Brite Pale Pink Born to be different, Fluoro Brite is your versatile fly tying companion. Use it as a tying thread or effortlessly untwist it to transform into a vibrant floss. What sets Fluoro Brite apart is its extraordinary...

    £1.50
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  • Fluoro Brite #16 White Fluoro Brite #16 White
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    Semperfli

    Fluoro Brite White

    Semperfli Fluoro Brite White Born to be different, Fluoro Brite is your versatile fly tying companion. Use it as a tying thread or effortlessly untwist it to transform into a vibrant floss. What sets Fluoro Brite apart is its extraordinary fluorescent...

    £1.50
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  • Fluoro Brite #13 Green Fluoro Brite #13 Green
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    Semperfli

    Fluoro Brite Green

    Semperfli Fluoro Brite Green Born to be different, Fluoro Brite is your versatile fly tying companion. Use it as a tying thread or effortlessly untwist it to transform into a vibrant floss. What sets Fluoro Brite apart is its extraordinary fluorescent...

    £1.50
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  • Fluoro Brite #12 Pale Green Fluoro Brite #12 Pale Green
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    Semperfli

    Fluoro Brite Pale Green

    Semperfli Fluoro Brite Pale Green Born to be different, Fluoro Brite is your versatile fly tying companion. Use it as a tying thread or effortlessly untwist it to transform into a vibrant floss. What sets Fluoro Brite apart is its extraordinary...

    £1.50
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  • Fluoro Brite #11 Phosphor Yellow Fluoro Brite #11 Phosphor Yellow
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    Semperfli

    Fluoro Brite Phosphor Yellow

    Semperfli Fluoro Brite Phosphor Yellow Born to be different, Fluoro Brite is your versatile fly tying companion. Use it as a tying thread or effortlessly untwist it to transform into a vibrant floss. What sets Fluoro Brite apart is its extraordinary...

    £1.50
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  • Semperfli Pure Silk Vintage Orange Traditional fly patterns such as spiders or Clyde style.
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    Semperfli

    Pure Silk Vintage Orange

    Semperfli Pure Silk Vintage Orange Pure Silk #9 is a twisted pure silk, popular for traditional fly patterns such as spiders or Clyde style. If you are wanting to use Pure Silk #9 flat simply untwist it by spinning on your bobbin holder. This dual...

    £3.40
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  • Semperfli Pure Silk Straw Traditional fly patterns such as spiders or Clyde style.
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    Semperfli

    Pure Silk Straw

    Semperfli Pure Silk Straw Pure Silk #9 is a twisted pure silk, popular for traditional fly patterns such as spiders or Clyde style. If you are wanting to use Pure Silk #9 flat simply untwist it by spinning on your bobbin holder. This dual purpose means...

    £3.40
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  • Semperfli Pure Silk Red Traditional fly patterns such as spiders or Clyde style.
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    Semperfli

    Pure Silk Red

    Semperfli Pure Silk Red Pure Silk #9 is a twisted pure silk, popular for traditional fly patterns such as spiders or Clyde style. If you are wanting to use Pure Silk #9 flat simply untwist it by spinning on your bobbin holder. This dual purpose means it...

    £3.40
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  • Semperfli Pure Silk Purple Traditional fly patterns such as spiders or Clyde style.
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    Semperfli

    Pure Silk Purple

    Semperfli Pure Silk Purple  Pure Silk #9 is a twisted pure silk, popular for traditional fly patterns such as spiders or Clyde style. If you are wanting to use Pure Silk #9 flat simply untwist it by spinning on your bobbin holder. This dual purpose...

    £3.40
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  • Semperfli Pure Silk Pale Olive Traditional fly patterns such as spiders or Clyde style.
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    Semperfli

    Pure Silk Pale Olive

    Semperfli Pure Silk Pale Olive Pure Silk #9 is a twisted pure silk, popular for traditional fly patterns such as spiders or Clyde style. If you are wanting to use Pure Silk #9 flat simply untwist it by spinning on your bobbin holder. This dual purpose...

    £3.40
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Compare (0)

Nylon Thread:

Polyester Thread:

Nylon threads are strong, stretchy, and available in a wide range of colors and sizes. They often have a smooth finish and can lay flat or be twisted. Uses: Ideal for general-purpose tying, securing materials, and building bodies. Nylon threads are versatile and suitable for both small and large flies.

Polyester threads are known for their durability and resistance to UV light. They tend to be slightly stiffer than nylon. Uses: Often used for tying saltwater flies and large streamers where durability is crucial. Also suitable for flies exposed to harsh conditions.

GSP (Gel-Spun Polyethylene) Thread:

Silk Thread:

GSP threads are ultra-strong, thin, and have little to no stretch. They offer high tensile strength for their size. Uses: Ideal for tying very small flies where strength is needed without adding bulk. Commonly used for tying fine, delicate patterns, and large, durable flies.

Traditional and natural, silk threads have a smooth, glossy finish. They come in a variety of colors and are prized for their sheen. Uses: Popular in classic and traditional fly patterns, especially for dry flies. Silk threads provide a natural look and are used in heritage fly tying.

    Thread Sizes

  • ➤ 3/0: Very thick, used for large flies, bass bugs, and saltwater patterns.
  • ➤ 6/0: Medium thickness, suitable for most general-purpose tying, including larger nymphs and streamers.
  • ➤ 8/0: Fine thread, used for smaller flies, dry flies, and nymphs.
  • ➤ 12/0: Very fine, ideal for tiny flies and delicate patterns.
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