Semperfli Nano Silk 50D 12/0

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! 

50d is also known as 12/0 is the go to GSP thread. Nano Silk 50D 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 designed for flies sizes 8 to 16. 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.

Features:
• 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
• There are 100m / 109 yards (approx ) per spool of Nano Silk Ultra 50D 12/0 White and Black
• There are 50m / 54 yards (approx) per spool of the other colors
• Available here in 9 different colors.