battery jumper with RoHS,TUV/GS listed Materail:CCA(35% copper and 65% aluminum) Length:3.0m PVC/TPR jaclets battery jumper for 12V/24V description:Material:CCA100% comply with RoHS,TUV/GS listedEqual to 16 mm2, 3.0m 100%copper cableClamp:A20Packing:Nylon bagSpec.of conductor:0.3mmX331pcsOuter Diameter:10.5mm