Keep a spare spool of line for your World Wide Sportsman Gold Cup fly reels always ready to go with the World Wide Sportsman Gold Cup Spare Spool. This quality spool is specifically designed to work meticulously with the World Wide Sportsman Gold Cup Fly Reels. Made from cold-forged, CNC-machined, 6061 T6 aluminum. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Spare Spools.