4 Pairs Unshielded Twisted Pair (UTP) Cable Color Code : Grey, Green, Yellow Conductor Metal: Solid Bare Copper Conductor Diameter: 0.560mm Nominal, 23 AWG Insulation Diameter: 0.970mm Nominal, Insulation Material: HD-PE Jacket Material: PVC UL94V-0/LSZH Cable Diameter: 6mm Nominal PE Central Cross separator 305m/Roll