Pounce Fluorocarbon Bass Leader - Strong and Highly Abrasion Resistant, Excellent Impact and Knot Strength, Fast Sinking and Virtually Invisible Underwater. 25 Yard Spool. It's built to be bullet-proof and strengthen your leader connection with freshwater bass. This is a 100% fluorocarbon leader made with custom Seaguar fluoro resins in Japan. It's built tough with exceptional abrasion resistance and strength to help you fight back against docks, weeds and rocks - the places bass love to hide. It provides maximum impact and knot strength and is a fast-sinking line to get you in the strike zone faster. Pounce gives you excellent advantages versus monofilament and all the benefits of fluorocarbon at a price that everybody will love.