The Okuma Magda Pro DXT Linecounter is ideal for Great Lake Trolling. The mechanical linecounter function measures the exact distance in feet that your lure or bait is to the boat. Constructed of corrosion-resistant graphite spools and a multi-disc Carbonite drag system, the Magda Pro is extremely durable. Additional features include an Ergo grip handle knob design, Self-Lubricating Gear System, and automatic trip spool engaging mechanism.