RIOs Technical Euro Nymph line has all theassets for the modern nymph angler. Built ona monofilament core that creates a stiff, slickline for quick feeding and less line sag betweenthe rod guides, and an ultra-thin diameter tomaximize sensitivity, and for lightning-fast hooksets. In addition, the core extends past the frontend of the line to become a leaderresultingin no knots to get caught in the guides. Thelevel line can be cut to length (from the back),allowing anglers to tune the line to the perfectlength. The leader is .013" in diameter, pink tobe easily seen, and is level, so can also be cutand tuned for varying situations.