Fast Sinking Leader for Trout and SteelheadSeaguar STS Trout Steelhead is a premium 100 percent fluorocarbon leader material designed for abrasion resistance impact strength and lower visibility in clear water. Its fast-sinking performance helps get presentations into the strike zone quickly for trout and steelhead applications. 100 percent fluorocarbon leader Designed for trout and steelhead Fast sinking line material High abrasion resistance 100 yard spool