Cannon Offshore Saltwater Line Release Trolling Accessory - Corrosion-resistant, high-tension spring is designed for heavier saltwater lines. Troll at high speeds in deep water with its heavy-duty release. Anti-fouling pins prevent line from snagging behind the gripper pads. Tension Setting: Heavy High tension setting ideal for larger saltwater-specific line types. Anti-fouling pins prevent lines from snagging in release. Corrosion resistant and saltwater tested.