Blue Sea Systems 350 Amp E-Series Battery Switches;

9004ee-Series Battery Switch Single Circuit ON/OFF w/ Alternator Field DisconnectIncludes AFD (Alternator Field Disconnect)CE Marked Ignition protected - Safe for installation aboard gasoline powered boats Case design allows surface or rear panel mounting Meets American Boat and Yacht Council (ABYC) requirements for battery switches 3/8"-16 tin-plated copper studs for maximum conductivity and corrosion resistance, accepts 3/8" and M10 ring terminals 7/8" (22.22mm) stud length to accept multiple cable terminals Tactile textures indicate knob position by feel only