Regarded as the strongest flat tying thread by professional fly tyers worldwide it has been independently tested against many international brands and proven to be the strongest thread GSP ( Gel Spun Polyethylene). It is virtually unbreakable and still can be split for use with dubbing twisters.
Available in 2 colours Black and White 100 meter spools
Also available in and extensive range of colours in 18/0 , 12/0 and 6/0 in 50 meter spools.
As with all GSP threads, NANO Silk it it recommended that a ceramic tipped bobbin holder is used as the thread is extremely strong. A craft blade is recommended to cut the NANO Silk to save your best scissors.