Check out the Indicator Markers from Scientific Anglers. Whether you're marking up your leaders for euro nymphing or using the glow in the dark marker to
CREATE SIGHTERS * For marking monofilament to create sighters and strike indicators * Quick and easy to apply- fast drying and waterproof * Stays put
Scientific Anglers Indicator Marker
Scientific Anglers Indicator Markers
Misc Tools - Royal Treatment Fly Fishing
Scientific Anglers Absolute Tri Colour Sighter Indicator Tippet — The Flyfisher
Scientific Anglers Indicator Markers 1 Pack - Black : Sports & Outdoors
Indicator GLOW Marker - Scientific Anglers — Big Y Fly Co
Indicators - Driftless Angler
Indicator GLOW Marker - Scientific Anglers — Big Y Fly Co
Scientific Anglers Indicator Marker — TCO Fly Shop