TUF-LINE XP downrigger Replacement Line changes the game for downrigger fishing. By replacing your wire cable with TUF-LINE you gain all the benefits of braid and eliminate the hassle of cable. TUF-LINE provides maximum strength and weight handling capabilities, low stretch, and will not rust, kink or fray. It also eliminates electrolysis and significantly reduces wire hum. Performance braid, for premium fish, at desired depth.