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All (47)
12/0 (11)
170Den (3)
8/0 (2)
18/0 (1)
3/0 (4)
Pure Silk 3/0 (1)
  • Fluoro Brite Floss 2/0 New Semperfli 3.25 Fly Tying World Everything Fly Tying Fluoro Brite Floss 2/0 New Semperfli 3.25 Fly Tying World Everything Fly Tying
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    Semperfli

    Fluoro Brite Floss 2/0

    Semperfli Fly Tying Fluoro Brite Floss 2/0   Fluoro Brite FlossWe’ve taken Tom Saville’s legendary fluorescent floss and made it even better. Our updated version is a finer, thinner floss—perfect for tying smaller flies, creating neater heads, or...

    £3.25
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  • Flexi Floss New Turrall 3.5 Fly Tying World Fly Tying Materials Flexi Floss New Turrall 3.5 Fly Tying World Fly Tying Materials
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    Turrall

    Flexi Floss

    Turrall's Fly Tying Flexi Floss   Stretchy lycra fibers which produce good, slim bodies and legs or feelers with lots of movement. 30cm length

    £3.50
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  • Dry Fly Poly Yarn New Semperfli 3.75 Fly Tying World Everything Fly Tying
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    Semperfli

    Dry Fly Poly Yarn

    Semperfli Fly Tying Dry Fly Poly yarn   The Ultimate Floating Yarn for Fly Tying Dubbed the "floating yarn" by fly tyers worldwide, Dry Fly Polyyarn is a lightweight, fibrous material perfect for creating dry flies. Its unique bonded polypropylene...

    £3.75
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  • Classic Waxed Thread 8/0 New Semperfli 2.99 Fly Tying World Everything Fly Tying Classic Waxed Thread 8/0 New Semperfli 2.99 Fly Tying World Everything Fly Tying
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    Semperfli

    Classic Waxed Thread 8/0

    Semperfli Fly Tying Classic Waxed Thread 8/0   The Classic Waxed Thread 8/0, with its 240 yards per spool, stands as a pinnacle of quality in the Semperfli 8/0 105 denier range. This collection has been meticulously crafted for fly tying, targeting...

    £2.99
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  • Classic Waxed Thread 18/0 New Semperfli 2.99 Fly Tying World Everything Fly Tying Classic Waxed Thread 18/0 New Semperfli 2.99 Fly Tying World Everything Fly Tying
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    Semperfli

    Classic Waxed Thread 18/0

    Classic Waxed Thread 18/0   In addition to its superior quality, the Classic Waxed Thread 18/0 offers numerous benefits for your fly tying needs. Here's what makes it stand out: Each spool provides an impressive 240 yards of thread,...

    £2.99
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  • Nano Silk 3/0 Streamer Thread New Semperfli 2.99 Fly Tying World Everything Fly Tying Nano Silk 3/0 Streamer Thread New Semperfli 2.99 Fly Tying World Everything Fly Tying
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    Semperfli

    Nano Silk 3/0 Streamer Thread

    Semperfli's New Nano Silk 3/0 GSP Streamer Thread Semperfli is famous for its Nano Silk, with 100m for black and white per spool with its strongest per denier, ultra strong fibres and we give more GSP than any other volume manufacturer on a spool...

    £2.99
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  • Nano Silk Streamer 200D New Semperfli 3.25 Fly Tying World Everything Fly Tying Nano Silk Streamer 200D New Semperfli 3.25 Fly Tying World Everything Fly Tying
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    Semperfli

    Nano Silk Streamer 200D

    Nano Silk Streamer 200D   Semperfli is famous for its Nano Silk, with 100m for black and white per spool with its strongest per denier, ultra strong fibres and we give more GSP than any other volume manufacturer on a spool. However we wanted to...

    £3.25
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  • Sold out
    Nano Silk 50D 12/0 Yellow New Semperfli 3.75 Fly Tying World Threads
    Out of stock

    Semperfli

    Nano Silk 50D 12/0 Yellow

    Semperfli Fly Tying Nano Silk 12/0 Yellow   Nano Silk, the preferred choice of professional fly tyers worldwide and hailed as the finest GSP thread on the market! Renowned for its unparalleled strength and available in a spectrum of colors and...

    £3.75
    Out of stock
  • Nano Silk 50D 12/0 Red New Semperfli 3.75 Fly Tying World Threads
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    Semperfli

    Nano Silk 50D 12/0 Red

    Semperfli Fly Tying Nano Silk Thead 12/0 Red   Nano Silk, the preferred choice of professional fly tyers worldwide and hailed as the finest GSP thread on the market! Renowned for its unparalleled strength and available in a spectrum of colors and...

    £3.75
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  • Nano Silk 50D 12/0 Pink New Semperfli 3.75 Fly Tying World Threads
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    Semperfli

    Nano Silk 50D 12/0 Pink

    Semperfli Nano Silk Fly Tying Thread 12/0 Pink   Nano Silk, the preferred choice of professional fly tyers worldwide and hailed as the finest GSP thread on the market! Renowned for its unparalleled strength and available in a spectrum of colors and...

    £3.75
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  • Nano Silk 50D 12/0 Orange New Semperfli 3.75 Fly Tying World Threads
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    Semperfli

    Nano Silk 50D 12/0 Orange

    Semperfli Fly Tying Nano Silk 12/0 Orange   Nano Silk, the preferred choice of professional fly tyers worldwide and hailed as the finest GSP thread on the market! Renowned for its unparalleled strength and available in a spectrum of colors and...

    £3.75
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  • Sold out
    Nano Silk 50D 12/0 Grey New Semperfli 3.75 Fly Tying World 12/0
    Out of stock

    Semperfli

    Nano Silk 50D 12/0 Grey

    Semperfli Fly Tying Nano Silk 12/0 Grey   Nano Silk, the preferred choice of professional fly tyers worldwide and hailed as the finest GSP thread on the market! Renowned for its unparalleled strength and available in a spectrum of colors and...

    £3.75
    Out of stock
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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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