These are the best of their kind that we have found. They spey guys love these for making their own tips. Eliminates the need for leader/line knots.
Exclusive Non-Collapsing Loop makes these the only choice if you choose to use these.
3-7 wt line version and an 8wt and up version. Most of the sinking heads and such will require the 3-7.
3 Loops per package