Ltpgtthese tens and ems machines electrode leads and wires will fit only neurotrac machines they are designed to fit all neurotrac machines shown belowltpgtr ltdivgtneurotracampreg pelvitoneltdivgtr ltdivgtneurotracampreg sportsltdivgtr ltdivgtneurotracampreg tensltdivgtr ltdivgtneurotracampreg sports xlltdivgtr ltdivgtneurotracampreg simplexltdivgtr ltdivgtneurotracampreg rehabltdivgtr ltdivgtneurotracampre