This Pro-Line marker post (vendor part SD-11224, Millennium Part #527876) is a custom-printed utility marker post manufactured to a specific design file for flagging the route of buried fiber optic cable and other underground utility lines. Marker posts support utility damage-prevention programs by giving locate technicians, surveyors, and excavation crews a clear, above-ground reference point for buried infrastructure. Made from durable, weather- and UV-resistant materials for long service life, this post is part of Millennium's Marker Posts & Signs category serving fiber, gas, and utility contractors nationwide.