The Space Fluoro Tippet is used to tie discreet, dense tips for underwater fishing. Its fluorocarbon material cuts through the surface well and sinks faster than nylon, making it less suitable as a general-purpose line for dry-fly fishing. Its medium stiffness ensures good turnover, especially in windy conditions or when using bulkier flies. The smooth surface improves abrasion resistance and knot strength. Choose based on the diameter, strength, and required spool length.