Stainless steel and brass fittings. Fits 1979-date BRP/OMC/Johnson/Evinrude w/BRP/OMC controls and OMC Turbo Jets w/OMC side mount controls that accept OMC "snap in" type cable. 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.