The Veevus G.S.P fly tying thread is a Gel Spun Polyethylenetype of thread. It is the strongest thread produced by Veevus. This version of GSP is different compared with other brands thread because is a slight twisted. For this reason the fibers remain in the same place without opening up.
Because the fly is only light twisted, it lays flat on the hook shank without providing a bulky look and is perfect for spin hair like deer hair, moose hair, CDC or dubbing.
The Veevus G.S.P fly tying thread is delivered on standard sized spools of 75m.