Clamp MountLets 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 harm. For more information go to P65Warnings.ca.gov.