The Off Shore Tackle® Adjustable Medium Tension Planer Release allows you to keep fish while still trolling for steelheads and salmon. This four pack is perfect for use with add-a-lines or fixed sliders and great for dual and triple planer boards. The 10-25 lb. monofilament lines ensure durability and strength to support your fishing needs. The Off Shore Tackle Tension Planer Release has a split ring and quick clip for easy use.