UTP  Unshielded Twisted 4 Pairs Categoty 5e Network Cable 

With Messenger

HDPE Insulation :0.93±0.005mm

PVC Jacket (Gray or  Black)

ZX-070A:Conductor: 0.40mm CU (or CCA/CCS)  OD 4.8mm

ZX-070B:Conductor: 0.45mm CU (or CCA/CCS)  OD 5.0mm

ZX-070C:Conductor: 0.48mm CU (or CCA/CCS)  OD 5.0mm

ZX-070D:Conductor: 0.50mm CU (or CCA/CCS)  OD 5.0mm

Messenger:1.15mm  (or 1.3mm Steel), OD 3.5mm