speaker cable wire 1.with 10 years manufacturing experience 2.ISO registered factory 3.UL compliant 4.100% test Sheath:PVC ,FLEXIBLE PVC Conductor:COPPER, TIN COPPER ,CCA ,TIN CCA ,SILVER COPPERPackaging Details: roll,spool,bag,blister original size clear speaker cable with red line supplies/oem clear speaker cable/standard guage clear speaker cable