... .15mm O.D:5.5X11.0 PVC 1, the inner conductor materials with oxygen-free copper, tinned ... copper clad aluminum or copper clad steel.2, the outer sheath material can be PVC in various colors ... and transparent PVC.3, the material of the inner conductor and outer sheath materials in ... your choice. We'll try our best to meet your demand! cable speaker,to be the best manufacture of China