Bottom Line Fish Finders 

& 

Cannon Downriggers!

Uni Troll Get the biggest bang for your buck! You get a downrigger with a low-profile swivel base and telescopic boom to boot, all in one package.
Affordable electric downriggers like the Mini Mag and Magnum 10 (workhorse of the Great Lakes) make trolling with downriggers a pleasant experience.
The Cannon downrigger line of products is built tough, from the affordable Easy Troll 2 to the sophisticated Digi Troll IV.