When it comes to fishing streamers in cold water, it's difficult to beat the SONAR Sink 25. Designed with a short 25 fast-sinking head, the Sink 25 sinking fly line gets flies deep extremely quickly and is paired with a large diameter handling section for excellent line control. When it's time to get down and dirty, the Sink 25 has your back. 25ft extra-fast sinking head with handling line For coldwater applications An excellent streamer line for Trout Low tangle design increases shooting distance Floating running line Super Fast Sink: 4.0 8.0 ips, sinks 4ft 15ft Replaces Mastery Wet Tip Express Braided multifilament core