Rio Technical Euro Nymph Line Size:#2-5 Simms uses a radio-frequency welding

Simms uses a radio-frequency welding process to molecularly bond the fabrics together at their surface

while large welded loops on each end allow for fast rigging changes

• Stay-Lok snap closure that won’t open while fighting fish

It's lightweight

Each line is packaged with four 15ft tips:

Rio Technical Euro Nymph Line Size:#2-5 Simms uses a radio-frequency weldingRio Technical Euro Nymph for the modern nymph angler. RIOs Technical Euro Nymph line is designed for the modern nymph angler. It's built on a monofilament core that creates a stiff, slick line for quick feeding and less line sag between the rod guides, and an ultra thin diameter to maximize sensitivity, and for lightning fast hook sets. In addition, the core extends past the front end of the line to become a leaderresulting in no knots to get caught