You already know that the Loop Opti Speedrunner fly reel will stop big muskies. Now, extend its capabilities by putting an extra spool in your fishing vest. Change from a floating line to a sinking line quickly using the Loop Opti Speedrunner spare spool and always be prepared. Machined from one-piece aircraft aluminum Waterproof and salt tolerant Power Matrix drag system to slow down big fish Counter-weight has an O-ring to use as a tippet keeper.