Cortland offers a lineup of indicator monofilament, intended to help you build visible leaders that help with strike detection.
Hanak BiColor Indicator Material
Tippets Mistpool
Cortland Indicator Mono Leader Material Tri Color (Black/Chartreuse/Pink) .006'' / 5.5 LB, Chartreuse / Black / Pink : Sports & Outdoors
Seeing Is Believing
Tippet – Dakota Angler & Outfitter
Leader Material – Nervouswater
JMC Bicolor Indicator Mono (50 meters) – Tactical Fly Fisher
Tippet Material – Glasgow Angling Centre
Cortland Indicator Mono Leader Material - Als.com