RIO Fly Fishing Power flex-Plus 7.5′ 4X Fishing Leaders, Clear, Pack of 3

About this item
Nylon
Powerflex plus Trout leaders are the strongest Trout leaders EVER made, with tensile strengths up to 20% more than regular leaders
A Technical modification of the nylon copolymer formulation has resulted in prodigious strength increase, without compromising the knot strength or suppleness
Simply put, these are the strongest, most reliable Trout leaders EVER made.