Thundermist T-Turn swivel packs contain 3 high quality smooth performing rolling swivels, which minimize line twist and maximize action. A premium black nickel finish is great in both fresh water and salt water. Whether casting, drifting or trolling ? fishing from a boat or from shore ? the T-Turn keeps your line tangle free, even in varying strong currents, which keeps your 3-way connection neat and ”perfect” every time.