Conductor: solid bare copper. Conductor diameter: 0.45mm, 0.47mm,0.48mm,0.50mm,0.52mm. Insulation: HDPE Jelly filled optional Inner Sheath: PVC material. Outer sheath: blacke PE jacket, UV resistance Printed words on the PE jacket and white meter mark(001-305 meters or 001-500meters) Package: wooden drum