Semperfli Nano Silk 50D 12/0 is regarded as the tying thread of choice of professional fly tyers worldwide and is the best GSP thread on the market! Being so super strong and available in such a variety of colors and deniers it has endless possibilities and can be used for micro flies to large flies.

Nano Silk 50D 12/0 is ideal for your smaller flies and the 50d, also known as 12/0, has a wide range of colors, there are plenty of choices for you.

Super strong, this is the highest quality thread available. Never worry about snapping your tying thread again, you can rely on Nano Silk.

50D also known as 12/0 is the go-to GSP thread. Nano Silk 50D 12/0 has all the strength you would expect from this premier thread. It is 10 times stronger than steel of the same diameter! Nano Silk 50D 12/0 is fine enough for size 16 to 32 flies whilst still retaining its strength. Although Nano Silk 50D 12/0 is a fine thread it can be split down further if required to make dubbing much easier!

Nano Silk 50D 12/0 is designed for flies sizes 8 to 16, the ideal for most fly tyers. However do not be fooled because of Nano 50D thin diameter, Nano Silk 50D 12/0 is stronger than 6/0 polyester thread yet is less than 1/20th of the diameter. As a result, it can be used for any fly where you do not want to see your thread.

Because Nano Silk lays perfectly flat you get no thread build up.

• 12/0 50 denier thread
• Breaking strain 1,900gm / 4.2lb
• perfect on hook sizes 6 to 16
• Lays perfectly flat with no build-up, regardless of how many loops you put on the hook
• 10 times stronger than steel of the same diameter

Pro Tips:
1 – rotate anti-clockwise to untwist and lay perfectly flat. With just 2 or 3 light wraps of Nano Silk over foam you can then tighten and tie in foams or materials that would cut easily.
2, use white Nano Silk and simply color the last 4 inches (100mm) of thread for heads in a visible color