Scientific Anglers Indicator Marker - Try using a Scientific Anglers Indicator Marker to mark your monofilament to create sighters and strike indicators. The marker dries fast and is waterproof, ensuring that it stays in place after application without any color transfer. If you're wondering, the colors are visible in all light conditions, making it bright and easy to see. Plus, the ultra-thin application has no weight or bulk so it won't create additional drag on your indicator line. Heat-stable to remain fixed even in hot temperatures, yet if you need to remove it, alcohol wipes will do the job. Mark your own sighters and strike indicators Quick and easy to apply – fast drying and waterproof Stays put when dry – no color transfer Goes on ultra-thin, has no weight or bulk – doesn’t create extra drag Removable with alcohol wipes Heat stable – stays fixed even in hot temperatures