Halco Laser Pro 120 DDSensational saltwater trolling and casting lure that swims to depth of 2. 5m and trolls to 8 knots. recommended trolling speed 4 6 knots. Unique internal weights move to rear of the lure for casting giving the ultimate straight line trajectory and maximum casting distance. The lure also has a totally new and improved sonic rattle making it one of the most effective lures in its class. the lure is slow floater and is ideal for a twitch retrieve.