The Coggin Lures Extreme Copycat Plunger is the king of the Copycat Plunger series of lures. It's a heavy killer 16" sized single tapered plunger close to your traditional plunger style head. Very heavy lure. Primarily used for targeting large Blue Marlin in heavy spreads. Heavy enough to be used as a bait and switch Teaser or rigged - your preference.