Helios 3F 4-Weight, 10' Fly Rods offer enhanced accuracy and feel at mid-range distances. When line control and mending are important, you want to fish a light line, and you need the accuracy to toss a streamer up and across to a far bank, the Helios 3F 104-4 is an exceptional choice with the length you need for mending and drift control, and the 3F feel and responsiveness to allow you to detect subtle takes.