Off Shore Tackle's Stacker Downrigger release is ideal for use with 10-25 pound monofilament line. The various tensions are designed to be used when targeting different species of fish in different scenarios. The Light tension release is ideal for walleye, spring coho, or other small to medium fish. The Medium tension release is ideal for salmon, steelhead, and trout. The Heavy release is ideal for muskie, trophy pike, and salt water fish. Features Heavy duty construction Species specific tensions Easy to use design