I don't have any of that thread,Am looking into getting another Bamboo blank and building it as traditional as possible.
Just a matter of finding one I can afford.....yet still from a reputable builder.
Perhaps I'll just use the old bi-color Gouberod thread I aquired a while back...Found a whole flat of the stuff,Never seen any thread rod or otherwise on wooden spools!.Aquired it from an old guy,who had once owned a shop in PA.

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"I've often wondered why it is that so many anglers spend so much money on,and pay so much attention to.the details on the wrong end of the fly line.If they took as much care in selecting or tying their flies as they did in the selection of the reel and rod,They might be able to gain the real extra edge that makes it possible to fool a fish that has,in fact,seen it all before" A.K.Best

"Wish ya great fishing"

Bill