Cannon Clamp Mount [2207327]Clamp Mount Lets you mount your Cannon Sport Troll, Easi Troll or Mini Mag downrigger on the gunwale or transom of your boat. Aluminum mount has a comfortable hand knob with heavy duty coarse thread screw that opens 2". This adds portability to your downriggers. WARNING: This product can expose you to chemicals including di(2 ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive