1.ROHS Certification 2 .indoor telephone cable 3.Copper or CCA conduct Specification:2,4,6,8 cores telephone cable , flat , white ,black ... plastic spool or 305m/plastic spool.ROHS Certification ,telephone cable, telephone line, indoor/outdoor telephone cable, telephone wire ,Copper or CCA conductorITEM.N.O. ... CONDUCTORS(mm)THICKNESS OF INSULATION(mm)OUTER DIAMATER(mm)LS-50017×0.12×21.204.00LS-50027×0. ...