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.