SeaStar Solutions TFXtreme Gen II Mercury Control CableStainless steel and brass fittings. Fits Mariner/Mercury/Mercruiser and other engines using Mercury 2003-date 4000 series controls. TFXtreme cables feature a splined-core for easy movement and minimum lost motion (4" min. bend radius). Specifically designed for complex and/or long cable runs, but they will allow any control to operate more easily with less drag and wear.