The Rapala Knot Tying Glasses make tying small knots and threading fine-diameter line easier when light or visibility gets low. Featuring +2.50 magnification and crystal-clear lenses, these glasses reduce eye strain and help sharpen detail at the tie-off point, whether you're rigging on the boat at dusk or adjusting a fly streamside. A durable frame withstands daily use in demanding fishing environments, and the included hard storage case keeps them protected in your tackle box or glove compartment.Specifications and Features: Plus 2.50 magnification enhances close-up visibility Clear lenses improve accuracy when tying small knots Sturdy frame handles rugged use on and off the water Hard case included for safe, convenient storage