A0808CONDUCTORANDINSULATORMATERIALTESTERThiskitusetorecognizewhichsubstanceisaconductororaninsulator.Thetesterandthetestingmaterialmountedonaplasticbase.Uselighttoindicatethecurrentflowing.Thesekitsconsistof16differenttypesofsubstancesfortest.Dimensions:Approx.400 300 50mmhigh